SimplexCalc is a multivariable desktop calculator for Windows. It is small and simple to use but with much power and versatility underneath. It can be used as an enhanced elementary, scientific, financial or expression calculator. In addition to arithmetic operation, more than hundred built-in constants and functions can also be used in your expression.

MultiplexCalc is a multipurpose and comprehensive desktop calculator for Windows. It can be used as an enhanced elementary, scientific, financial or expression calculator. It embodies prime numbers, rational numbers, generic floating-point routines, hyperbolic and transcendental routines. It contains more than 100 mathematical functions and constants to satisfy your needs to solve problems ranging from elementary algebra to complex equations.