DMath

Mathematical expression evaluator written in D.

Uses the parser generator Pegged: https://github.com/PhilippeSigaud/Pegged

Usage examples

Evaluate a file containing DMath expressions:

dmath -f math.dmath

Command line interface example:

$ dmath
Welcome to DMath.
Enter expressions, or type 'quit' to quit.
> 1 + 2
3
> 9 * 3 ^ (4 - 2)
81
> var = 4 * 4
16
> func(x) = 2 * x + 3
0
> func(var)
35