Fast Math ParserProduct

If you want to evaluate an expression at run time, pass it to Eval(), which will evaluate it and return a numeric result. If you have an expression that does not evaluate to a scalar numeric value (such as a string or complex number), use EvalStr(). If you are evaluating the same expression many times in a time-critical loop, you may parse the expression once, prior to entering the loop, with Parse(), and then use Evaluate() inside the loop. uCalc Fast Math Parser has many features.