Numbr is a smart calculator combined with a notepad. You can use notes with numbers alongside each other. Use words around your calculations, so that they will make sense later.
$500 for tickets + $70 for a taxi
Use #
symbol at beginning of a line to mark it as a header.
Use :
colon to mark first part of line as description.
0.5 + .5
- decimal numbers1k
- one thousand1 000 000
- million with spaces1,000,000
- million with commas1M
- million with letter
Supported operators +
, -
, *
or x
, /
, %
, ^
.
- Modulus via
12 % 10
- Exponent via
2 ^ 3
- Percentage addition
100 + 25%
- Percentage subtraction
100 - 25%
- Percentage calculation
25% of 100
or100 * 25%
Numbr can do math with lots of currencies. Currency exchange rates are updated every hour.
Use currency symbols ($
, €
, ₽
, £
, ¥
, ₩
) or ISO codes:
$100 + 50EUR
20CAD in USD
Numbr supports cryptocurrencies as well:
1 btc in usd
1 eth in doge
10 xrp in ada
Numbr can summarize results by using total
or sum
operators. Calculations are done up to the nearest header:
## header 1
Milk $3
Eggs $2
Sugar $1
Flour $5
Total
## header 2
100k usd
10 btc
1M chf
Sum
Numbr supports referencing calculation results. Click on the answer to copy, and paste to reference, or press Alt+Enter to put the current answer on the next line.
100 + 200 | 300
(300) + 25% | 375
Numbr supports variables with =
operator. Variable names are case-insensitive and can contain letters, numbers and
spaces:
iPhone 15 = $998
AirPods Pro = $249
Price difference: iphone 15 - airpods pro