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Master the art of mental calculation in just 3 minutes a day, no matter how much you've struggled with math up till now. Mental Math Master uses animation, audio, and a proven 60-module mental math course to turn you into a natural human calculator.

Calculate the percentage of any number out of any number. Great little tool to have on anyones desktop.

Smooth Operators is a complete solution for learning, practicing, and testing the order of operations. An interactive lesson teaches concepts. Practice by clicking operands, or test by typing in answers. Prepare students for algebra and higher math.

Calculate the percentage of any number out of any number. Great little tool to have on hand.

DeadLine solves equations graphically and numerically. The freeware finds the real roots of an equation, evaluates functions and the first two derivatives extremely fast and accurately, finds extrema of the function.

Entertaining kids game that gives mental addition practice. The program optionally offers addition problems with positive and negative numbers. Supports 1-2 players with multiple difficulty levels. Intuitive interface and easy TicTacToe based rules.