Perfect Downloads > Home & Education > Mathematics > MathAid Precalculus
interactive web-based math lessons and tests
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More Info:
Comprehensive tutorial and testing package covering core topics in Algebra, Trigonometry, Elementary Functions and other standard Precalculus material. Java based math course includes theoretical concepts, hands-on examples featuring animated graphics and live formulas, problem-solving lessons, and customizable real time tests with solutions and evaluations. Topics covered: rectangular coordinate system, functions and graphs, linear and absolute value functions, quadratic functions, polynomial and rational functions, exponential and logarithmic functions, angles and their measure, trigonometric functions, identities and equations, transformations of trigonometric graphs, inverse trigonometric functions, solving triangles, polar coordinate system, vectors in the plane, complex numbers, second degree equations, determinants and Cramer's rule, matrices. The demo version contains selected lessons from the full version, fully functional, all features included.
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ZigZag
ZigZag is a tool to plot and explore math functions.
It can plot Cartesian (Y(x) and X(y)), polar, parametric and also
table-defined graphs
Portugal Property Ownership Records
Portugal property ownership records database - Access Portugal property ownership records database now! Search real property records in 41 states and the District of Columbia to uncover real property ownership and possibly value.
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