Short description of Multipurpose Calculator - MultiplexCalc 5.4.4: 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 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.