Chapter I. Usage
Basic Operators
Calc supports basic arithmetic operators such as:
+*-/^
Variables
The calculators also implements a system of (for the moment all global) variables.
The syntax is simple, close to python. Its type-abilities are close to python too, you can re-assign a variable with another value of another type.
var = 5

Built-in variable
piis a double precision float representation of pieis a double precision float representation of e