In this game you need to complete a equation by picking filling in numbers from a grid of numbers. The equation becomes longer and harder as the game advances. The faster you complete the equation, the higher the score you get.

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Free interactive problem solving software offers math problems in arithmetic, pre-algebra, algebra, trigonometry and hyperbolic trigonometry, a variety of appropriate techniques to solve problems and a unique system of performance analysis with methodical feedback; allows students to practice at their own pace, review their work and get optimal exercises for building missing math knowledge and skills

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This is a C++ template class library to perform matrix calculations, just like built-in data types, with ease and efficiency in your programs. It supports most of the matrix calculations like arithmetic operations, sub-matrix operations, inversion, various matrix decompositions, solution of simultaneous linear equations, eigen value and eigen vector problem, and much more. Full source code is included with the package.

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CalcuNote is an arithmetic calculator, adding machine, and time calculator that documents calculations on multiple tapes which you can edit. Change, insert, delete, annotate, sort entries. Cut, copy, paste tape lines, tape sections, entire tapes. Link entries (like spreadsheet references). Embed calculations within calculations. Store calculation results in a table. Show running total, group totals, grand totals, item counts. Print, save tapes.

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Free problem-solving mathematics software for math teachers and students offers 500+ of fully explained step-by-step solutions in arithmetic, pre-algebra, algebra, trigonometry and hyperbolic trig. Each solution step is provided with its objective, related definition, rule and underlying math formula or theorem. Test preparation options automate development of printable math tests

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Modern Calculator is a beautiful advanced replacement for the standard Windows calculator. The program combines many of the standard features of Windows calculator with an additional useful functions included within the application. Modern Calculator contains: quadratic equation solver, arithmetic mean calculation tool, expression calculator, 2D grapher and powerful unit converter which includes 507 units in 24 different measurement categories.

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