Portable math support for Decimal that Microsoft forgot and more.
Includes Decimal versions of Sqrt, Pow, Exp, and Log as well as the trig functions Sin, Cos, Tan, ASin, ACos, ATan, ATan2.
Also included is other functionality for working with numbers in Decimal precision.
The C++ Mathematical Expression Toolkit Library (ExprTk) is a simple to use, easy to integrate and extremely efficient run-time mathematical expression parsing and evaluation engine. The parsing engine supports numerous forms of functional and logic processing semantics and is easily extendible.