freeware http://groups.yahoo.com/group/mathc/

* Calculus : Compute and draw the parabolic asymptote of f.


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Windows : Dev-C++ 4, Lcc-win32
Linux : gcc abc.c -lm Return
a.out Return

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* You can compile the *.c files directly without create a project.

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c02b_1a.c : Draw f : x-> ((x**6+x**4)/(x**4-x-1)) + 10*x
c02b_1b.c : Compute a.
c02b_1c.c : Compute b.
c02b_1c.c : Compute c.
c02b_1d.c : Draw the asymptote.

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The members can try these links :

http://groups.yahoo.com/group/mathc/files/C/D/c02f.zip