Package need to capable of taking multiple inputs

[avijitsahoo00]

if I design a calculator with this package:=>
user input like ==>
4 + 6 - 12 / 2 + (12 / (5 -3)) + 3
To implement this excretion =>
The user needs to call the function after one operation, which can be hectic.

[avijitsahoo00]

I would like to make these changes. Please assign me!

[PB2204]

@avijitsahoo00 , please fork the repo and then update your changes and then please create a pull request , after reviewing the code , I'll merge the pull request .