bcParserX is a mathematical expression parser COM component that can be used with Visual Studio C# VB VC++ Borland Delphi. bcParserX Component features include:Easy to use component API. Comes with predefined functions. You can create custom functionsvariables and get a callback to your own functions that you define in your source code. Optimization: Constant expression elimination for repeated tasks. Strings are supported in the expression.Analytic Operators: + - * ^ Logical Operators: & ! Paranthesis: ( Functions in the form of: f(x) f(xy) f(xyz) List of predefined functions is available in the documentation. Royalty free distribution at affordable price. Source code is optional.