diff --git a/CHANGELOG.md b/CHANGELOG.md
index d7c3d403a3..96242cf2b3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@ The project does _not_ follow Semantic Versioning and the changes are documented
 ### Fixed
 
 - Uncatched `DateTimeException` during check DateLiteral.
+- IntHelper.equals now correctly deals with the combination of 0.0,-0.0,0 and -0.
 
 ### Added
 
diff --git a/code/languages/org.iets3.opensource/languages/org.iets3.core.expr.base/models/plugin.mps b/code/languages/org.iets3.opensource/languages/org.iets3.core.expr.base/models/plugin.mps
old mode 100755
new mode 100644
index b536bf6475..5658ae0ed2
--- a/code/languages/org.iets3.opensource/languages/org.iets3.core.expr.base/models/plugin.mps
+++ b/code/languages/org.iets3.opensource/languages/org.iets3.core.expr.base/models/plugin.mps
@@ -5033,15 +5033,52 @@
             </node>
           </node>
         </node>
-        <node concept="3cpWs6" id="29BBztTV4Jd" role="3cqZAp">
-          <node concept="2OqwBi" id="29BBztTV5d7" role="3cqZAk">
-            <node concept="37vLTw" id="29BBztTV4PD" role="2Oq$k0">
-              <ref role="3cqZAo" node="29BBztTV3kj" resolve="l" />
+        <node concept="3J1_TO" id="4dMN4HhUXWP" role="3cqZAp">
+          <node concept="3uVAMA" id="4dMN4HhUXWQ" role="1zxBo5">
+            <node concept="XOnhg" id="4dMN4HhUXWR" role="1zc67B">
+              <property role="3TUv4t" value="false" />
+              <property role="TrG5h" value="ex" />
+              <node concept="nSUau" id="4dMN4HhUXWS" role="1tU5fm">
+                <node concept="3uibUv" id="4dMN4HhUXWT" role="nSUat">
+                  <ref role="3uigEE" to="wyt6:~NumberFormatException" resolve="NumberFormatException" />
+                </node>
+              </node>
             </node>
-            <node concept="liA8E" id="29BBztTV63H" role="2OqNvi">
-              <ref role="37wK5l" to="wyt6:~String.equals(java.lang.Object)" resolve="equals" />
-              <node concept="37vLTw" id="29BBztTV66e" role="37wK5m">
-                <ref role="3cqZAo" node="29BBztTV3kl" resolve="r" />
+            <node concept="3clFbS" id="4dMN4HhUXWU" role="1zc67A">
+              <node concept="3cpWs6" id="4dMN4HhUXWV" role="3cqZAp">
+                <node concept="3clFbT" id="4dMN4HhUXWW" role="3cqZAk">
+                  <property role="3clFbU" value="false" />
+                </node>
+              </node>
+            </node>
+          </node>
+          <node concept="3clFbS" id="4dMN4HhUXWX" role="1zxBo7">
+            <node concept="3cpWs6" id="4dMN4HhUXWY" role="3cqZAp">
+              <node concept="3clFbC" id="1aGchTf48xf" role="3cqZAk">
+                <node concept="2OqwBi" id="4dMN4HhUXX0" role="3uHU7B">
+                  <node concept="2ShNRf" id="4dMN4HhUXX1" role="2Oq$k0">
+                    <node concept="1pGfFk" id="4dMN4HhUXX2" role="2ShVmc">
+                      <ref role="37wK5l" to="xlxw:~BigDecimal.&lt;init&gt;(java.lang.String)" resolve="BigDecimal" />
+                      <node concept="37vLTw" id="4dMN4HhUXX3" role="37wK5m">
+                        <ref role="3cqZAo" node="29BBztTV3kj" resolve="l" />
+                      </node>
+                    </node>
+                  </node>
+                  <node concept="liA8E" id="4dMN4HhUXX4" role="2OqNvi">
+                    <ref role="37wK5l" to="xlxw:~BigDecimal.compareTo(java.math.BigDecimal)" resolve="compareTo" />
+                    <node concept="2ShNRf" id="4dMN4HhUXX5" role="37wK5m">
+                      <node concept="1pGfFk" id="4dMN4HhUXX6" role="2ShVmc">
+                        <ref role="37wK5l" to="xlxw:~BigDecimal.&lt;init&gt;(java.lang.String)" resolve="BigDecimal" />
+                        <node concept="37vLTw" id="4dMN4HhUXX7" role="37wK5m">
+                          <ref role="3cqZAo" node="29BBztTV3kl" resolve="r" />
+                        </node>
+                      </node>
+                    </node>
+                  </node>
+                </node>
+                <node concept="3cmrfG" id="4dMN4HhUXX8" role="3uHU7w">
+                  <property role="3cmrfH" value="0" />
+                </node>
               </node>
             </node>
           </node>
diff --git a/code/languages/org.iets3.opensource/languages/org.iets3.core.expr.tests/models/intentions.mps b/code/languages/org.iets3.opensource/languages/org.iets3.core.expr.tests/models/intentions.mps
old mode 100755
new mode 100644
diff --git a/code/languages/org.iets3.opensource/tests/test.ts.expr.os/models/test/ts/expr/os/m1@tests.mps b/code/languages/org.iets3.opensource/tests/test.ts.expr.os/models/test/ts/expr/os/m1@tests.mps
index aa1cde7d63..8a6f1dc9a7 100755
--- a/code/languages/org.iets3.opensource/tests/test.ts.expr.os/models/test/ts/expr/os/m1@tests.mps
+++ b/code/languages/org.iets3.opensource/tests/test.ts.expr.os/models/test/ts/expr/os/m1@tests.mps
@@ -14,6 +14,7 @@
     <use id="289fb12b-7f53-4ef7-bc2e-1ed2c6a7c998" name="org.iets3.core.expr.datetime" version="-1" />
     <use id="8bb1251e-eae5-47ab-9843-33adfae8edaa" name="org.iets3.core.expr.util" version="2" />
     <use id="b25b8ad1-4d3d-4e45-8c78-72091b39fdda" name="org.iets3.core.expr.data" version="1" />
+    <use id="f61473f9-130f-42f6-b98d-6c438812c2f6" name="jetbrains.mps.baseLanguage.unitTest" version="1" />
     <devkit ref="c4e521ab-b605-4ef9-a7c3-68075da058f0(org.iets3.core.expr.core.devkit)" />
   </languages>
   <imports>
@@ -21,7 +22,6 @@
     <import index="oq0c" ref="r:6c6155f0-4bbe-4af5-8c26-244d570e21e4(org.iets3.core.expr.base.plugin)" />
     <import index="t4jv" ref="r:80cf2246-750c-4158-9056-a619ebcf894c(org.iets3.core.expr.base.typesystem)" />
     <import index="u2uj" ref="r:d1eedef5-09a1-4dfa-9889-4ee05f2dba04(org.iets3.core.expr.lambda.migration)" />
-    <import index="ut5p" ref="r:ae52e1b7-6479-4187-9e09-836b57124d46(test.in.expr.os.utils@tests)" />
     <import index="523r" ref="r:9c5c2614-fd32-4054-b6ea-f1ceb6bdd369(org.iets3.core.expr.util.typesystem)" />
     <import index="byea" ref="r:55ae05df-8f25-48f0-a826-0655584ce598(org.iets3.core.expr.adt.typesystem)" />
     <import index="rpit" ref="r:e29c70b2-feb7-465e-9534-7fdb395635c2(org.iets3.core.expr.data.typesystem)" />
@@ -31,6 +31,7 @@
     <import index="yjde" ref="r:8023e40c-26d4-4543-bd46-2ec2c03f861f(org.iets3.core.expr.toplevel.typesystem)" />
     <import index="b1h1" ref="r:ac5f749f-6179-4d4f-ad24-ad9edbd8077b(org.iets3.core.expr.simpleTypes.behavior)" />
     <import index="mi3w" ref="r:9ec53fca-e669-4a18-ba8b-6c9f4f1cb361(org.iets3.core.expr.datetime.structure)" />
+    <import index="ut5p" ref="r:ae52e1b7-6479-4187-9e09-836b57124d46(test.in.expr.os.utils@tests)" />
     <import index="pbu6" ref="r:83e946de-2a7f-4a4c-b3c9-4f671aa7f2db(org.iets3.core.expr.base.behavior)" implicit="true" />
     <import index="xlxw" ref="6354ebe7-c22a-4a0f-ac54-50b52ab9b065/java:java.math(JDK/)" implicit="true" />
     <import index="hm2y" ref="r:66e07cb4-a4b0-4bf3-a36d-5e9ed1ff1bd3(org.iets3.core.expr.base.structure)" implicit="true" />
@@ -166,6 +167,9 @@
       <concept id="1070475926800" name="jetbrains.mps.baseLanguage.structure.StringLiteral" flags="nn" index="Xl_RD">
         <property id="1070475926801" name="value" index="Xl_RC" />
       </concept>
+      <concept id="1081236700937" name="jetbrains.mps.baseLanguage.structure.StaticMethodCall" flags="nn" index="2YIFZM">
+        <reference id="1144433194310" name="classConcept" index="1Pybhc" />
+      </concept>
       <concept id="1070533707846" name="jetbrains.mps.baseLanguage.structure.StaticFieldReference" flags="nn" index="10M0yZ">
         <reference id="1144433057691" name="classifier" index="1PxDUh" />
       </concept>
@@ -204,6 +208,10 @@
         <reference id="1068499141037" name="baseMethodDeclaration" index="37wK5l" />
         <child id="1068499141038" name="actualArgument" index="37wK5m" />
       </concept>
+      <concept id="1178549954367" name="jetbrains.mps.baseLanguage.structure.IVisible" flags="ng" index="1B3ioH">
+        <child id="1178549979242" name="visibility" index="1B3o_S" />
+      </concept>
+      <concept id="1146644602865" name="jetbrains.mps.baseLanguage.structure.PublicVisibility" flags="nn" index="3Tm1VV" />
     </language>
     <language id="7b68d745-a7b8-48b9-bd9c-05c0f8725a35" name="org.iets3.core.base">
       <concept id="7831630342157089621" name="org.iets3.core.base.structure.IDetectNeedToRunManually" flags="ng" index="0Rz4o">
@@ -649,11 +657,27 @@
       <concept id="3795092733479561024" name="org.iets3.core.expr.mutable.structure.NowExpression" flags="ng" index="3C7svV" />
     </language>
     <language id="f61473f9-130f-42f6-b98d-6c438812c2f6" name="jetbrains.mps.baseLanguage.unitTest">
+      <concept id="1171931690126" name="jetbrains.mps.baseLanguage.unitTest.structure.TestMethod" flags="ig" index="3s$Bmu">
+        <property id="1171931690128" name="methodName" index="3s$Bm0" />
+      </concept>
+      <concept id="1171931851043" name="jetbrains.mps.baseLanguage.unitTest.structure.BTestCase" flags="ig" index="3s_ewN">
+        <property id="1171931851045" name="testCaseName" index="3s_ewP" />
+        <child id="1171931851044" name="testMethodList" index="3s_ewO" />
+      </concept>
+      <concept id="1171931858461" name="jetbrains.mps.baseLanguage.unitTest.structure.TestMethodList" flags="ng" index="3s_gsd">
+        <child id="1171931858462" name="testMethod" index="3s_gse" />
+      </concept>
       <concept id="8427750732757990717" name="jetbrains.mps.baseLanguage.unitTest.structure.BinaryAssert" flags="nn" index="3tpDYu">
         <child id="8427750732757990725" name="actual" index="3tpDZA" />
         <child id="8427750732757990724" name="expected" index="3tpDZB" />
       </concept>
       <concept id="1171978097730" name="jetbrains.mps.baseLanguage.unitTest.structure.AssertEquals" flags="nn" index="3vlDli" />
+      <concept id="1171981022339" name="jetbrains.mps.baseLanguage.unitTest.structure.AssertTrue" flags="nn" index="3vwNmj">
+        <child id="1171981057159" name="condition" index="3vwVQn" />
+      </concept>
+      <concept id="1171983834376" name="jetbrains.mps.baseLanguage.unitTest.structure.AssertFalse" flags="nn" index="3vFxKo">
+        <child id="1171983854940" name="condition" index="3vFALc" />
+      </concept>
       <concept id="1172073500303" name="jetbrains.mps.baseLanguage.unitTest.structure.Message" flags="ng" index="3_1$Yv">
         <child id="1172073511101" name="message" index="3_1BAH" />
       </concept>
@@ -15969,226 +15993,6 @@
       </node>
     </node>
   </node>
-  <node concept="_iOnU" id="6jT4GDw0JZ9">
-    <property role="1XBH2A" value="true" />
-    <property role="TrG5h" value="collections1" />
-    <node concept="2zPypq" id="6iJ_gQCTDgg" role="_iOnB">
-      <property role="TrG5h" value="restrictedList1" />
-      <property role="0Rz4W" value="-899706511" />
-      <node concept="3iBYfx" id="6iJ_gQCTDwl" role="2zPyp_">
-        <node concept="30bXRB" id="6iJ_gQCTDwv" role="3iBYfI">
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-            <property role="2gteSR" value="1" />
-            <property role="2gteSE" value="3" />
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-              <node concept="7CXmI" id="5xVY7wTE2ih" role="lGtFl">
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-          <node concept="_emDc" id="6iJ_gQCTHTi" role="30czhm">
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-        </node>
-      </node>
-    </node>
-  </node>
-  <node concept="_iOnU" id="6jT4GDw0CPc">
-    <property role="1XBH2A" value="true" />
-    <property role="TrG5h" value="temperature" />
-    <node concept="1WbbD7" id="5ElkanPNlMX" role="_iOnB">
-      <property role="TrG5h" value="tempInF" />
-      <node concept="mLuIC" id="5ElkanPNlMY" role="1WbbD4">
-        <node concept="2gteSX" id="5ElkanPNlMZ" role="2gteSx">
-          <property role="2gteSR" value="93.0" />
-          <property role="2gteSE" value="107.3" />
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-      <node concept="1z9TsT" id="5ElkanPNlN0" role="lGtFl">
-        <node concept="OjmMv" id="5ElkanPNlN1" role="1w35rA">
-          <node concept="19SGf9" id="5ElkanPNlN2" role="OjmMu">
-            <node concept="19SUe$" id="5ElkanPNlN3" role="19SJt6">
-              <property role="19SUeA" value="This is the temperature for Fahrenheit, used only in UI-related code" />
-            </node>
-          </node>
-        </node>
-      </node>
-    </node>
-    <node concept="1WbbD7" id="5ElkanPNlNY" role="_iOnB">
-      <property role="TrG5h" value="tempInC" />
-      <node concept="mLuIC" id="5ElkanPNlNZ" role="1WbbD4">
-        <node concept="2gteSX" id="5ElkanPNlO0" role="2gteSx">
-          <property role="2gteSR" value="34.0" />
-          <property role="2gteSE" value="42.0" />
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-      <node concept="1z9TsT" id="5ElkanPOk77" role="lGtFl">
-        <node concept="OjmMv" id="5ElkanPOk78" role="1w35rA">
-          <node concept="19SGf9" id="5ElkanPOk79" role="OjmMu">
-            <node concept="19SUe$" id="5ElkanPOk7a" role="19SJt6">
-              <property role="19SUeA" value="This is the type for temperature in Celsius. Notice the ranges.&#10;It is used in the state machine, and in UI-related code, for conversion." />
-            </node>
-          </node>
-        </node>
-      </node>
-    </node>
-    <node concept="_ixoA" id="6jT4GDw0DHM" role="_iOnB" />
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-          <ref role="1WbbFS" node="5ElkanPNlMX" resolve="tempInF" />
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-          <node concept="19SGf9" id="5ElkanPNlNk" role="OjmMu">
-            <node concept="19SUe$" id="5ElkanPNlNl" role="19SJt6">
-              <property role="19SUeA" value="This is a generic Fahrenheit to Celsius conversion." />
-            </node>
-            <node concept="2Jv0Bt" id="5ElkanQ5o5Y" role="19SJt6">
-              <ref role="2Jv0Bu" node="5ElkanPNlNg" resolve="t" />
-            </node>
-            <node concept="19SUe$" id="5ElkanQ5o60" role="19SJt6">
-              <property role="19SUeA" value="represents&#10;the Fahrenheit temperature. Note the call to limit; it takes the &#10;value converted via the expression and &quot;presses&quot; it into the bounds&#10;of the" />
-            </node>
-            <node concept="2Jv0Bt" id="5ElkanQcgh4" role="19SJt6">
-              <ref role="2Jv0Bu" node="5ElkanPNlNY" resolve="tempInC" />
-            </node>
-            <node concept="19SUe$" id="5ElkanQcgh6" role="19SJt6">
-              <property role="19SUeA" value="type. Note that there is no runtime error if the &#10;value would be outside the bounds, so this function has to be reviewed&#10;carefully." />
-            </node>
-          </node>
-        </node>
-      </node>
-    </node>
-    <node concept="_ixoA" id="6jT4GDw0DkF" role="_iOnB" />
-    <node concept="2zPypq" id="5ElkanPNoGg" role="_iOnB">
-      <property role="TrG5h" value="invalidTempInF" />
-      <node concept="30bXRB" id="5ElkanPNoGh" role="2zPyp_">
-        <property role="30bXRw" value="110" />
-        <node concept="7CXmI" id="5ElkanPO_lF" role="lGtFl">
-          <node concept="1TM$A" id="5ElkanPO_lG" role="7EUXB" />
-        </node>
-      </node>
-      <node concept="1WbbFT" id="5ElkanPNoGi" role="2zM23F">
-        <ref role="1WbbFS" node="5ElkanPNlMX" resolve="tempInF" />
-      </node>
-    </node>
-    <node concept="_ixoA" id="6jT4GDw0EmU" role="_iOnB" />
-    <node concept="_fkuM" id="6jT4GDw0CPd" role="_iOnB">
-      <property role="TrG5h" value="TempConversion" />
-      <node concept="mXNUv" id="5ElkanPN$Jr" role="_fkp5">
-        <node concept="1af_rf" id="5ElkanPN_rS" role="mXJVd">
-          <ref role="1afhQb" node="5ElkanPNlN5" resolve="FtoC" />
-          <node concept="30bXRB" id="5ElkanPNAMO" role="1afhQ5">
-            <property role="30bXRw" value="20.0" />
-            <node concept="7CXmI" id="5ElkanPODGa" role="lGtFl">
-              <node concept="1TM$A" id="5ElkanPODGb" role="7EUXB" />
-            </node>
-          </node>
-        </node>
-      </node>
-      <node concept="mXNUv" id="5ElkanPNFiq" role="_fkp5">
-        <node concept="1af_rf" id="5ElkanPNGDH" role="mXJVd">
-          <ref role="1afhQb" node="5ElkanPNlN5" resolve="FtoC" />
-          <node concept="30bXRB" id="5ElkanPNIFm" role="1afhQ5">
-            <property role="30bXRw" value="200.0" />
-            <node concept="7CXmI" id="5ElkanPOI2D" role="lGtFl">
-              <node concept="1TM$A" id="5ElkanPOI2E" role="7EUXB" />
-            </node>
-          </node>
-        </node>
-      </node>
-    </node>
-  </node>
   <node concept="1lH9Xt" id="KoRsm$utLj">
     <property role="TrG5h" value="ListEquality" />
     <node concept="1qefOq" id="KoRsm$utLk" role="1SKRRt">
@@ -18364,5 +18168,1096 @@
       </node>
     </node>
   </node>
+  <node concept="_iOnU" id="6jT4GDw0JZ9">
+    <property role="1XBH2A" value="true" />
+    <property role="TrG5h" value="collections1" />
+    <node concept="2zPypq" id="6iJ_gQCTDgg" role="_iOnB">
+      <property role="TrG5h" value="restrictedList1" />
+      <property role="0Rz4W" value="-899706511" />
+      <node concept="3iBYfx" id="6iJ_gQCTDwl" role="2zPyp_">
+        <node concept="30bXRB" id="6iJ_gQCTDwv" role="3iBYfI">
+          <property role="30bXRw" value="1" />
+        </node>
+        <node concept="30bXRB" id="6iJ_gQCTDy4" role="3iBYfI">
+          <property role="30bXRw" value="2" />
+        </node>
+        <node concept="30bXRB" id="6iJ_gQCTD$h" role="3iBYfI">
+          <property role="30bXRw" value="3" />
+        </node>
+      </node>
+      <node concept="3iBYCm" id="6iJ_gQCTH5v" role="2zM23F">
+        <node concept="mLuIC" id="6iJ_gQCTH5w" role="3iBWmK">
+          <node concept="2gteSX" id="6iJ_gQCTH5x" role="2gteSx">
+            <property role="2gteSR" value="1" />
+            <property role="2gteSE" value="3" />
+          </node>
+        </node>
+      </node>
+    </node>
+    <node concept="_fkuM" id="6iJ_gQCTDP$" role="_iOnB">
+      <property role="TrG5h" value="AddToRestrictedList" />
+      <node concept="mXNUv" id="6iJ_gQCTH89" role="_fkp5">
+        <node concept="1QScDb" id="6iJ_gQCTHT$" role="mXJVd">
+          <node concept="2iGZtc" id="6iJ_gQCTHY1" role="1QScD9">
+            <node concept="30bXRB" id="5xVY7wTDEIE" role="26Ft6C">
+              <property role="30bXRw" value="7" />
+              <node concept="7CXmI" id="5xVY7wTE2ih" role="lGtFl">
+                <node concept="1TM$A" id="5xVY7wTE2ii" role="7EUXB" />
+              </node>
+            </node>
+          </node>
+          <node concept="_emDc" id="6iJ_gQCTHTi" role="30czhm">
+            <ref role="_emDf" node="6iJ_gQCTDgg" resolve="restrictedList1" />
+          </node>
+        </node>
+      </node>
+    </node>
+  </node>
+  <node concept="_iOnU" id="6jT4GDw0CPc">
+    <property role="1XBH2A" value="true" />
+    <property role="TrG5h" value="temperature" />
+    <node concept="1WbbD7" id="5ElkanPNlMX" role="_iOnB">
+      <property role="TrG5h" value="tempInF" />
+      <node concept="mLuIC" id="5ElkanPNlMY" role="1WbbD4">
+        <node concept="2gteSX" id="5ElkanPNlMZ" role="2gteSx">
+          <property role="2gteSR" value="93.0" />
+          <property role="2gteSE" value="107.3" />
+        </node>
+      </node>
+      <node concept="1z9TsT" id="5ElkanPNlN0" role="lGtFl">
+        <node concept="OjmMv" id="5ElkanPNlN1" role="1w35rA">
+          <node concept="19SGf9" id="5ElkanPNlN2" role="OjmMu">
+            <node concept="19SUe$" id="5ElkanPNlN3" role="19SJt6">
+              <property role="19SUeA" value="This is the temperature for Fahrenheit, used only in UI-related code" />
+            </node>
+          </node>
+        </node>
+      </node>
+    </node>
+    <node concept="1WbbD7" id="5ElkanPNlNY" role="_iOnB">
+      <property role="TrG5h" value="tempInC" />
+      <node concept="mLuIC" id="5ElkanPNlNZ" role="1WbbD4">
+        <node concept="2gteSX" id="5ElkanPNlO0" role="2gteSx">
+          <property role="2gteSR" value="34.0" />
+          <property role="2gteSE" value="42.0" />
+        </node>
+      </node>
+      <node concept="1z9TsT" id="5ElkanPOk77" role="lGtFl">
+        <node concept="OjmMv" id="5ElkanPOk78" role="1w35rA">
+          <node concept="19SGf9" id="5ElkanPOk79" role="OjmMu">
+            <node concept="19SUe$" id="5ElkanPOk7a" role="19SJt6">
+              <property role="19SUeA" value="This is the type for temperature in Celsius. Notice the ranges.&#10;It is used in the state machine, and in UI-related code, for conversion." />
+            </node>
+          </node>
+        </node>
+      </node>
+    </node>
+    <node concept="_ixoA" id="6jT4GDw0DHM" role="_iOnB" />
+    <node concept="1aga60" id="5ElkanPNlN5" role="_iOnB">
+      <property role="TrG5h" value="FtoC" />
+      <node concept="I61D5" id="78zh7PnstBq" role="I61D6">
+        <node concept="I61F8" id="78zh7Pnsu7M" role="I61D1">
+          <node concept="30cPrO" id="78zh7PnsuUz" role="I61DU">
+            <node concept="Ic2ui" id="78zh7PnsuaU" role="30dEsF" />
+            <node concept="3zyZNN" id="78zh7Pnsvag" role="30dEs_">
+              <node concept="1WbbFT" id="6jT4GDw0Eju" role="3zyZWv">
+                <ref role="1WbbFS" node="5ElkanPNlNY" resolve="tempInC" />
+              </node>
+              <node concept="1MaffS" id="78zh7Pnsvai" role="3zyZNH">
+                <property role="1MbqUG" value="1" />
+                <node concept="1Mae4K" id="78zh7Pnsvaj" role="1Maf3p" />
+                <node concept="30dvO6" id="78zh7Pnsvak" role="1MafeC">
+                  <node concept="30dDTi" id="78zh7Pnsval" role="30dEsF">
+                    <node concept="30bsCy" id="78zh7Pnsvam" role="30dEsF">
+                      <node concept="30dvUo" id="78zh7Pnsvan" role="30bsDf">
+                        <node concept="1afdae" id="78zh7Pnsvao" role="30dEsF">
+                          <ref role="1afue_" node="5ElkanPNlNg" resolve="t" />
+                        </node>
+                        <node concept="30bXRB" id="78zh7Pnsvap" role="30dEs_">
+                          <property role="30bXRw" value="32" />
+                        </node>
+                      </node>
+                    </node>
+                    <node concept="30bXRB" id="78zh7Pnsvaq" role="30dEs_">
+                      <property role="30bXRw" value="5" />
+                    </node>
+                  </node>
+                  <node concept="30bXRB" id="78zh7Pnsvar" role="30dEs_">
+                    <property role="30bXRw" value="9" />
+                  </node>
+                </node>
+              </node>
+            </node>
+          </node>
+        </node>
+      </node>
+      <node concept="3zyZNN" id="5ElkanPPgTJ" role="1ahQXP">
+        <node concept="1WbbFT" id="6jT4GDw0Elc" role="3zyZWv">
+          <ref role="1WbbFS" node="5ElkanPNlNY" resolve="tempInC" />
+        </node>
+        <node concept="1MaffS" id="7Wa2sv4cbNN" role="3zyZNH">
+          <property role="1MbqUG" value="1" />
+          <node concept="1Mae4K" id="7Wa2sv4cbNO" role="1Maf3p" />
+          <node concept="30dvO6" id="7Wa2sv4cbNP" role="1MafeC">
+            <node concept="30dDTi" id="7Wa2sv4cbNQ" role="30dEsF">
+              <node concept="30bsCy" id="7Wa2sv4cbNR" role="30dEsF">
+                <node concept="30dvUo" id="7Wa2sv4cbNS" role="30bsDf">
+                  <node concept="1afdae" id="7Wa2sv4cbNT" role="30dEsF">
+                    <ref role="1afue_" node="5ElkanPNlNg" resolve="t" />
+                  </node>
+                  <node concept="30bXRB" id="7Wa2sv4cbNU" role="30dEs_">
+                    <property role="30bXRw" value="32" />
+                  </node>
+                </node>
+              </node>
+              <node concept="30bXRB" id="7Wa2sv4cbNV" role="30dEs_">
+                <property role="30bXRw" value="5" />
+              </node>
+            </node>
+            <node concept="30bXRB" id="7Wa2sv4cbNW" role="30dEs_">
+              <property role="30bXRw" value="9" />
+            </node>
+          </node>
+        </node>
+      </node>
+      <node concept="1ahQXy" id="5ElkanPNlNg" role="1ahQWs">
+        <property role="TrG5h" value="t" />
+        <node concept="1WbbFT" id="6jT4GDw0E2F" role="3ix9CU">
+          <ref role="1WbbFS" node="5ElkanPNlMX" resolve="tempInF" />
+        </node>
+      </node>
+      <node concept="1z9TsT" id="5ElkanPNlNi" role="lGtFl">
+        <node concept="OjmMv" id="5ElkanPNlNj" role="1w35rA">
+          <node concept="19SGf9" id="5ElkanPNlNk" role="OjmMu">
+            <node concept="19SUe$" id="5ElkanPNlNl" role="19SJt6">
+              <property role="19SUeA" value="This is a generic Fahrenheit to Celsius conversion." />
+            </node>
+            <node concept="2Jv0Bt" id="5ElkanQ5o5Y" role="19SJt6">
+              <ref role="2Jv0Bu" node="5ElkanPNlNg" resolve="t" />
+            </node>
+            <node concept="19SUe$" id="5ElkanQ5o60" role="19SJt6">
+              <property role="19SUeA" value="represents&#10;the Fahrenheit temperature. Note the call to limit; it takes the &#10;value converted via the expression and &quot;presses&quot; it into the bounds&#10;of the" />
+            </node>
+            <node concept="2Jv0Bt" id="5ElkanQcgh4" role="19SJt6">
+              <ref role="2Jv0Bu" node="5ElkanPNlNY" resolve="tempInC" />
+            </node>
+            <node concept="19SUe$" id="5ElkanQcgh6" role="19SJt6">
+              <property role="19SUeA" value="type. Note that there is no runtime error if the &#10;value would be outside the bounds, so this function has to be reviewed&#10;carefully." />
+            </node>
+          </node>
+        </node>
+      </node>
+    </node>
+    <node concept="_ixoA" id="6jT4GDw0DkF" role="_iOnB" />
+    <node concept="2zPypq" id="5ElkanPNoGg" role="_iOnB">
+      <property role="TrG5h" value="invalidTempInF" />
+      <node concept="30bXRB" id="5ElkanPNoGh" role="2zPyp_">
+        <property role="30bXRw" value="110" />
+        <node concept="7CXmI" id="5ElkanPO_lF" role="lGtFl">
+          <node concept="1TM$A" id="5ElkanPO_lG" role="7EUXB" />
+        </node>
+      </node>
+      <node concept="1WbbFT" id="5ElkanPNoGi" role="2zM23F">
+        <ref role="1WbbFS" node="5ElkanPNlMX" resolve="tempInF" />
+      </node>
+    </node>
+    <node concept="_ixoA" id="6jT4GDw0EmU" role="_iOnB" />
+    <node concept="_fkuM" id="6jT4GDw0CPd" role="_iOnB">
+      <property role="TrG5h" value="TempConversion" />
+      <node concept="mXNUv" id="5ElkanPN$Jr" role="_fkp5">
+        <node concept="1af_rf" id="5ElkanPN_rS" role="mXJVd">
+          <ref role="1afhQb" node="5ElkanPNlN5" resolve="FtoC" />
+          <node concept="30bXRB" id="5ElkanPNAMO" role="1afhQ5">
+            <property role="30bXRw" value="20.0" />
+            <node concept="7CXmI" id="5ElkanPODGa" role="lGtFl">
+              <node concept="1TM$A" id="5ElkanPODGb" role="7EUXB" />
+            </node>
+          </node>
+        </node>
+      </node>
+      <node concept="mXNUv" id="5ElkanPNFiq" role="_fkp5">
+        <node concept="1af_rf" id="5ElkanPNGDH" role="mXJVd">
+          <ref role="1afhQb" node="5ElkanPNlN5" resolve="FtoC" />
+          <node concept="30bXRB" id="5ElkanPNIFm" role="1afhQ5">
+            <property role="30bXRw" value="200.0" />
+            <node concept="7CXmI" id="5ElkanPOI2D" role="lGtFl">
+              <node concept="1TM$A" id="5ElkanPOI2E" role="7EUXB" />
+            </node>
+          </node>
+        </node>
+      </node>
+    </node>
+  </node>
+  <node concept="3s_ewN" id="4dMN4HhQ16O">
+    <property role="3s_ewP" value="InfHelper" />
+    <node concept="3Tm1VV" id="4dMN4HhQ16P" role="1B3o_S" />
+    <node concept="3s_gsd" id="4dMN4HhQ16Q" role="3s_ewO">
+      <node concept="3s$Bmu" id="4dMN4HhQ183" role="3s_gse">
+        <property role="3s$Bm0" value="lessOrEquals" />
+        <node concept="3cqZAl" id="4dMN4HhQ184" role="3clF45" />
+        <node concept="3Tm1VV" id="4dMN4HhQ185" role="1B3o_S" />
+        <node concept="3clFbS" id="4dMN4HhQ186" role="3clF47">
+          <node concept="3vwNmj" id="4dMN4HhQk5A" role="3cqZAp">
+            <node concept="2YIFZM" id="4dMN4HhQkPZ" role="3vwVQn">
+              <ref role="37wK5l" to="oq0c:2NHHcg2F41V" resolve="lessOrEq" />
+              <ref role="1Pybhc" to="oq0c:2NHHcg2EXna" resolve="InfHelper" />
+              <node concept="10M0yZ" id="4dMN4HhQkQ0" role="37wK5m">
+                <ref role="3cqZAo" to="oq0c:2NHHcg2FVhN" resolve="NEGINF" />
+                <ref role="1PxDUh" to="oq0c:2NHHcg2EXna" resolve="InfHelper" />
+              </node>
+              <node concept="10M0yZ" id="4dMN4HhQkQ1" role="37wK5m">
+                <ref role="3cqZAo" to="oq0c:2NHHcg2FVhN" resolve="NEGINF" />
+                <ref role="1PxDUh" to="oq0c:2NHHcg2EXna" resolve="InfHelper" />
+              </node>
+            </node>
+          </node>
+          <node concept="3vwNmj" id="4dMN4HhQk5I" role="3cqZAp">
+            <node concept="2YIFZM" id="4dMN4HhQlow" role="3vwVQn">
+              <ref role="37wK5l" to="oq0c:2NHHcg2F41V" resolve="lessOrEq" />
+              <ref role="1Pybhc" to="oq0c:2NHHcg2EXna" resolve="InfHelper" />
+              <node concept="Xl_RD" id="4dMN4HhQlox" role="37wK5m">
+                <property role="Xl_RC" value="0.0" />
+              </node>
+              <node concept="Xl_RD" id="4dMN4HhQloy" role="37wK5m">
+                <property role="Xl_RC" value="0.0" />
+              </node>
+            </node>
+          </node>
+          <node concept="3vwNmj" id="4dMN4HhS0rl" role="3cqZAp">
+            <node concept="2YIFZM" id="4dMN4HhS0rm" role="3vwVQn">
+              <ref role="37wK5l" to="oq0c:2NHHcg2F41V" resolve="lessOrEq" />
+              <ref role="1Pybhc" to="oq0c:2NHHcg2EXna" resolve="InfHelper" />
+              <node concept="Xl_RD" id="4dMN4HhS0rn" role="37wK5m">
+                <property role="Xl_RC" value="0.0" />
+              </node>
+              <node concept="Xl_RD" id="4dMN4HhS0ro" role="37wK5m">
+                <property role="Xl_RC" value="-0.0" />
+              </node>
+            </node>
+          </node>
+          <node concept="3vwNmj" id="4dMN4HhS33f" role="3cqZAp">
+            <node concept="2YIFZM" id="4dMN4HhS33g" role="3vwVQn">
+              <ref role="37wK5l" to="oq0c:2NHHcg2F41V" resolve="lessOrEq" />
+              <ref role="1Pybhc" to="oq0c:2NHHcg2EXna" resolve="InfHelper" />
+              <node concept="Xl_RD" id="4dMN4HhS33h" role="37wK5m">
+                <property role="Xl_RC" value="0.0" />
+              </node>
+              <node concept="Xl_RD" id="4dMN4HhS33i" role="37wK5m">
+                <property role="Xl_RC" value="0" />
+              </node>
+            </node>
+          </node>
+          <node concept="3vwNmj" id="4dMN4HhS4qW" role="3cqZAp">
+            <node concept="2YIFZM" id="4dMN4HhS4qX" role="3vwVQn">
+              <ref role="37wK5l" to="oq0c:2NHHcg2F41V" resolve="lessOrEq" />
+              <ref role="1Pybhc" to="oq0c:2NHHcg2EXna" resolve="InfHelper" />
+              <node concept="Xl_RD" id="4dMN4HhS4qY" role="37wK5m">
+                <property role="Xl_RC" value="0.0" />
+              </node>
+              <node concept="Xl_RD" id="4dMN4HhS4qZ" role="37wK5m">
+                <property role="Xl_RC" value="-0.0" />
+              </node>
+            </node>
+          </node>
+          <node concept="3vwNmj" id="4dMN4HhQk5M" role="3cqZAp">
+            <node concept="2YIFZM" id="4dMN4HhQlTH" role="3vwVQn">
+              <ref role="37wK5l" to="oq0c:2NHHcg2F41V" resolve="lessOrEq" />
+              <ref role="1Pybhc" to="oq0c:2NHHcg2EXna" resolve="InfHelper" />
+              <node concept="Xl_RD" id="4dMN4HhQlTI" role="37wK5m">
+                <property role="Xl_RC" value="0" />
+              </node>
+              <node concept="Xl_RD" id="4dMN4HhQlTJ" role="37wK5m">
+                <property role="Xl_RC" value="0" />
+              </node>
+            </node>
+          </node>
+          <node concept="3vwNmj" id="4dMN4HhS1I2" role="3cqZAp">
+            <node concept="2YIFZM" id="4dMN4HhS1I3" role="3vwVQn">
+              <ref role="37wK5l" to="oq0c:2NHHcg2F41V" resolve="lessOrEq" />
+              <ref role="1Pybhc" to="oq0c:2NHHcg2EXna" resolve="InfHelper" />
+              <node concept="Xl_RD" id="4dMN4HhS1I4" role="37wK5m">
+                <property role="Xl_RC" value="0" />
+              </node>
+              <node concept="Xl_RD" id="4dMN4HhS1I5" role="37wK5m">
+                <property role="Xl_RC" value="-0" />
+              </node>
+            </node>
+          </node>
+          <node concept="3vwNmj" id="4dMN4HhS69z" role="3cqZAp">
+            <node concept="2YIFZM" id="4dMN4HhS69$" role="3vwVQn">
+              <ref role="37wK5l" to="oq0c:2NHHcg2F41V" resolve="lessOrEq" />
+              <ref role="1Pybhc" to="oq0c:2NHHcg2EXna" resolve="InfHelper" />
+              <node concept="Xl_RD" id="4dMN4HhS69_" role="37wK5m">
+                <property role="Xl_RC" value="0" />
+              </node>
+              <node concept="Xl_RD" id="4dMN4HhS69A" role="37wK5m">
+                <property role="Xl_RC" value="0.0" />
+              </node>
+            </node>
+          </node>
+          <node concept="3vwNmj" id="4dMN4HhS7Ag" role="3cqZAp">
+            <node concept="2YIFZM" id="4dMN4HhS7Ah" role="3vwVQn">
+              <ref role="37wK5l" to="oq0c:2NHHcg2F41V" resolve="lessOrEq" />
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+              <node concept="Xl_RD" id="4dMN4HhSI77" role="37wK5m">
+                <property role="Xl_RC" value="-0" />
+              </node>
+            </node>
+          </node>
+          <node concept="3vwNmj" id="4dMN4HhQhYv" role="3cqZAp">
+            <node concept="2YIFZM" id="4dMN4HhQpB5" role="3vwVQn">
+              <ref role="37wK5l" to="oq0c:2NHHcg2F9Vw" resolve="greaterOrEqual" />
+              <ref role="1Pybhc" to="oq0c:2NHHcg2EXna" resolve="InfHelper" />
+              <node concept="10M0yZ" id="4dMN4HhQpB6" role="37wK5m">
+                <ref role="3cqZAo" to="oq0c:2NHHcg2FYHt" resolve="POSINF" />
+                <ref role="1PxDUh" to="oq0c:2NHHcg2EXna" resolve="InfHelper" />
+              </node>
+              <node concept="10M0yZ" id="4dMN4HhQpB7" role="37wK5m">
+                <ref role="3cqZAo" to="oq0c:2NHHcg2FYHt" resolve="POSINF" />
+                <ref role="1PxDUh" to="oq0c:2NHHcg2EXna" resolve="InfHelper" />
+              </node>
+            </node>
+          </node>
+          <node concept="3clFbH" id="4dMN4HhQhXW" role="3cqZAp" />
+          <node concept="3vFxKo" id="4dMN4HhQRLa" role="3cqZAp">
+            <node concept="2YIFZM" id="4dMN4HhQT9C" role="3vFALc">
+              <ref role="37wK5l" to="oq0c:2NHHcg2F9Vw" resolve="greaterOrEqual" />
+              <ref role="1Pybhc" to="oq0c:2NHHcg2EXna" resolve="InfHelper" />
+              <node concept="Xl_RD" id="4dMN4HhQT9D" role="37wK5m">
+                <property role="Xl_RC" value="0" />
+              </node>
+              <node concept="10M0yZ" id="4dMN4HhQVDx" role="37wK5m">
+                <ref role="3cqZAo" to="oq0c:2NHHcg2FYHt" resolve="POSINF" />
+                <ref role="1PxDUh" to="oq0c:2NHHcg2EXna" resolve="InfHelper" />
+              </node>
+            </node>
+          </node>
+          <node concept="3vFxKo" id="4dMN4HhSK5Z" role="3cqZAp">
+            <node concept="2YIFZM" id="4dMN4HhSK60" role="3vFALc">
+              <ref role="37wK5l" to="oq0c:2NHHcg2F9Vw" resolve="greaterOrEqual" />
+              <ref role="1Pybhc" to="oq0c:2NHHcg2EXna" resolve="InfHelper" />
+              <node concept="Xl_RD" id="4dMN4HhSK61" role="37wK5m">
+                <property role="Xl_RC" value="-0" />
+              </node>
+              <node concept="10M0yZ" id="4dMN4HhSK62" role="37wK5m">
+                <ref role="3cqZAo" to="oq0c:2NHHcg2FYHt" resolve="POSINF" />
+                <ref role="1PxDUh" to="oq0c:2NHHcg2EXna" resolve="InfHelper" />
+              </node>
+            </node>
+          </node>
+          <node concept="3vFxKo" id="4dMN4HhQRLg" role="3cqZAp">
+            <node concept="2YIFZM" id="4dMN4HhQTYH" role="3vFALc">
+              <ref role="37wK5l" to="oq0c:2NHHcg2F9Vw" resolve="greaterOrEqual" />
+              <ref role="1Pybhc" to="oq0c:2NHHcg2EXna" resolve="InfHelper" />
+              <node concept="Xl_RD" id="4dMN4HhQTYI" role="37wK5m">
+                <property role="Xl_RC" value="0.0" />
+              </node>
+              <node concept="10M0yZ" id="4dMN4HhQWuz" role="37wK5m">
+                <ref role="3cqZAo" to="oq0c:2NHHcg2FYHt" resolve="POSINF" />
+                <ref role="1PxDUh" to="oq0c:2NHHcg2EXna" resolve="InfHelper" />
+              </node>
+            </node>
+          </node>
+          <node concept="3vFxKo" id="4dMN4HhSM9k" role="3cqZAp">
+            <node concept="2YIFZM" id="4dMN4HhSM9l" role="3vFALc">
+              <ref role="37wK5l" to="oq0c:2NHHcg2F9Vw" resolve="greaterOrEqual" />
+              <ref role="1Pybhc" to="oq0c:2NHHcg2EXna" resolve="InfHelper" />
+              <node concept="Xl_RD" id="4dMN4HhSM9m" role="37wK5m">
+                <property role="Xl_RC" value="-0.0" />
+              </node>
+              <node concept="10M0yZ" id="4dMN4HhSM9n" role="37wK5m">
+                <ref role="3cqZAo" to="oq0c:2NHHcg2FYHt" resolve="POSINF" />
+                <ref role="1PxDUh" to="oq0c:2NHHcg2EXna" resolve="InfHelper" />
+              </node>
+            </node>
+          </node>
+          <node concept="3vFxKo" id="4dMN4HhQRLm" role="3cqZAp">
+            <node concept="2YIFZM" id="4dMN4HhQUNM" role="3vFALc">
+              <ref role="37wK5l" to="oq0c:2NHHcg2F9Vw" resolve="greaterOrEqual" />
+              <ref role="1Pybhc" to="oq0c:2NHHcg2EXna" resolve="InfHelper" />
+              <node concept="10M0yZ" id="4dMN4HhR$xJ" role="37wK5m">
+                <ref role="3cqZAo" to="oq0c:2NHHcg2FVhN" resolve="NEGINF" />
+                <ref role="1PxDUh" to="oq0c:2NHHcg2EXna" resolve="InfHelper" />
+              </node>
+              <node concept="10M0yZ" id="4dMN4HhQXj_" role="37wK5m">
+                <ref role="3cqZAo" to="oq0c:2NHHcg2FYHt" resolve="POSINF" />
+                <ref role="1PxDUh" to="oq0c:2NHHcg2EXna" resolve="InfHelper" />
+              </node>
+            </node>
+          </node>
+          <node concept="3clFbH" id="4dMN4HhQRn0" role="3cqZAp" />
+        </node>
+      </node>
+      <node concept="3s$Bmu" id="4dMN4HhQ8KA" role="3s_gse">
+        <property role="3s$Bm0" value="greater" />
+        <node concept="3cqZAl" id="4dMN4HhQ8KB" role="3clF45" />
+        <node concept="3Tm1VV" id="4dMN4HhQ8KC" role="1B3o_S" />
+        <node concept="3clFbS" id="4dMN4HhQ8KD" role="3clF47" />
+      </node>
+    </node>
+  </node>
 </model>