http://www.softmath.com/ Tool per calcolare e risolvere operazioni algebriche Algebrator can solve problems in all the following areas of algebra: arithmetics simplification of algebraic expressions (operations with polynomials, exponential expressions, fractions and roots (radicals)) operations with complex numbers solving linear, quadratic and many other equations and inequalities solving a system of two equations graphing curves (lines, parabolas, hyperbolas, circles, ellipses, equation and inequality solutions) unlimited drill-and-practice problem and exam generation *Algebrator can not fo word problems, logarithmic functions or functional notation. But you will be amazed by its ability to solve any other algebra problem your teacher can throw at you! System requirements: ?Any PC running any version of Windows

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