The C++ Mathematical Expression Library (ExprTk) is a simple to use, easy to integrate and extremely efficient and fast mathematical expression parsing and evaluation engine. The parsing engine supports various kinds of functional, logic processing semantics and is very easily extendible.
http://www.partow.net/programming/exprtk/index.html
Mathematical operators (+, , *, /, %, ^)
Functions (min, max, avg, sum, abs, ceil, floor, round, roundn, exp, log, log10, logn, root, sqrt, clamp, range)
Trigonometry (sin, cos, tan, acos, asin, atan, atan2, cosh, cot, csc, sec, sinh, tanh, d2r, r2d, d2g, g2d, hyp)
Equalities, Inequalities and Assigment (=, ==, , !!=, , >=, :=,
30 Day SummaryJul 12 2015 — Aug 11 2015

12 Month SummaryAug 11 2014 — Aug 11 2015
