This is a simple command line calculator, like bc. It supports integers, hexadecimal integers (with 0x or 0X) and floats.
The 4 operations (+, -, *, /) are supported as well as parentheses.
You can run it as follow:
> ./calculator
> 1 + 1
2
>You can also pass the input as a command line argument ./calculator "(1+1)" or piped in: echo "(1-1)" | ./calculator.
There is one option: -d to display debugging informations.
[ ] Add support for built-in functions (cos, sin, tan, sqrt, abs)
[ ] Add support for custom variables
[ ] Add support for custom functions