 Math screener -- Training with mental calculation. NEW! Make your children Aces of mental Calculation. Functioning like a screensaver and protected by password administrator (admin), your child is obliged to answer to X operations before finding the control of his computer. You will refine the parameter setting according to the statistics collected. CAUTION: DO NOT SET TOO SHORT TIMES, YOUR CHILD WILL PRICK A CRISIS! ; -)...
 SpeQ Mathematics -- SpeQ is a small, extensive mathematics program with a simple, intuitive interface. All calculations are entered in a sheet. In there you can freely add, edit and execute all calculations. You can define variables and functions, and plot graphs of your functions. You can save your calculations for later re-use....
 Calculus Help -- A series of solved calculus exercises, with step-by-step shown....
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