ecMathExpr is an ActiveX control for Visual Basic programs, for compiling and evaluating math expressions created at runtime, from within your VB projects... * Compiled, runs faster than simple parser methods * Define any number of variables and assign values to them. * Pre-compile 'user-defined' functions to use in other math expressions. * Compile multiple math expressions that can use the pre-defined variables and user functions. * Evaluate (fast and repeatedly) any of the compiled expressions. * Arithmetic operators: ( ) + - * / ^ \ mod * Boolean operators: not, and, or, xor * Logical operators: = > < <> >= <= * Trigonometric functions: sin, cos, tan asin, acos, atan * Hyperbolic trig functions: sinh, cosh, tanh asinh, acosh, atanh * Internal functions: int, fix, sgn, sqr, fact, nCr, nPr, min, max, rnd * Logarithmic and exponential functions: log, exp * Logical if..then..else functions: iif(condition, if_true, if_false)
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