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Multivariable Calculator - SimplexCalc
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.
MhcFS2 - engineering calculator (v.1.1). Calculates also integrals, the sums, derivatives; solve LSE, ODE, LSDE; finds roots, determinant;calculations with matrixes; interpolation with splain. Complete source codes are supplied
Resistor Color Bands is a resistance calculator for displaying resistance color codes and values for all types of resistors.
Falco Calculator is a useful program for education. It allows to calculate entered meanings of variables which are introduced as a formula.
UberSmart Math Facts is an easy to use flash card program that helps kids of all ages master their math facts. Students learn with flash cards, then test their skills with timed tests, and get a certificate when they have mastered a skill.