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TouchPlot for iPhone Updated

TouchPlot 4.0 is a grapher application for the iPhone and iPod touch, that allows users to create interactive graphs and plots directly on the iPhone. It aims at drawing graphs of user defined functions, parametric curves with cartesian or polar coordinates, semi-log and log graphs. It also draws solutions to ordinary differential equations, with or without a vector field, implicit curves, equations, inequations solutions, contourplots...

It can also plot surfaces with equation z = F(x,y) with nice touch gestures for dragging, rescaling, and the accelerometer is used to tilt the graph.

A number of videos have been uploaded to Youtube that demonstrate it in action.

http://www.youtube.com/touchplot

TouchPlot in the AppStore

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