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Torpedo Graphing Calculator : Momentanément gratuit

A essayer

Graphing - f(x), Parametric, and Polar
Trigonometry - sin, cos, tan, hyperbolic and inverse variants
Calculus - derivatives, integration, solve equation for zero
Statistics - List sorting, mean, median
Linear Algebra - Matrix and Vector support
Displays in Standard, Scientific, or Engineering format with fixed or floating point precision