David's Math Pages
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http://www.davdata.nl/math/  


David E. Dirkse  
Freeware includes GraphicsExplorer (plotting equations, curve fitting, differentiate, integrate, use constants a,b,c changable at mouseclick, graphics adjust...), linEq (solve systems of lin. equations and watch GaussJordan elimination step by step...), pinwheel (operate a vintage mechanical calculator), numbers (convert to/from number systems 2..16), factors (factorize 1..4 numbers of up to 18 digits, calculate GCD), and euclid (solve x,y in Ax + By = C for integers). Also includes several games and articles on programming for mathematics.  


Levels:  High School (912), College 
Languages:  English 
Resource Types:  Topic Tools Miscellaneous 
Math Topics:  Basic Algebra, Systems of Linear Equations, Basic Operations, Factors, Number Sense/About Numbers 
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