1.0
1.1
1.2
1.3

Computes a mathematical equation

**equation**: the equation to compute, it can include normal variables with $foo or special math variables without the dollar sign**format**: output format, see sprintf() for details**assign**: if set, the output is assigned into the given variable name instead of being output**rest**: all math specific variables that you use must be defined, see the example

Example #1

The above example will output: