Active Calculator can do mathematical expression evaluation quickly and perfectly. It can be easily integrated into applications written in languages that support ActiveX control such as Visual C++, Visual Basic, Delphi, C++ Builder, ASP, ASP.Net and any other .Net languages.
Active Calculator Main Features:
Support all common mathematical expressionsSupport arithmetic, logic and bitwise operationsReport syntax error in expressionsSupport common control flow in programming languages like for, while, if etc.Return value is numeric value or string
Allow custom variables and functionsHave many built-in functionsSupport long integersComes with documentation full of examples, as well as ready-to-compile/run sample programs