- math
- ----
- Mathematical expressions.
- ::
- math(EXPR <output variable> <math expression>)
- ``EXPR`` evaluates mathematical expression and returns result in the
- output variable. Example mathematical expression is '5 * ( 10 + 13
- )'. Supported operators are + - * / % | & ^ ~ << >> * / %. They have
- the same meaning as they do in C code.
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