An argument based calculator in nodejs. The code takes arguments from terminal and then depending on arguments gives you the output.
node index.js operation value1 value2node index.js operation value1 value2
eg. node index.js add 4 2
eg. node index.js sub 4 2
eg. node index.js mult 4 2
eg. node index.js divide 4 2node index.js operation value1
eg. node index.js sin 40
eg. node index.js cos 40
eg. node index.js tan 40node index.js random