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This program allows drawing of 2D free form explicit
algebraic curves of the form: x = X(t), y = Y(t), or y = f(x),
where t is the parametric domain parameter. The program displays
the curve by sampling, and approximating (with settable accuracy)
it as piecewise linear polylines. It also possible to symbolically
differentiate the curve and simultaneously display the curve and
its 1st 2nd and 3rd derivatives. An on line help is available
which can be modified.
(adapted from the documentation)
drawfuns.arc contains the C source code for this program.
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Download the program