This program will graph functions of the form
y = f(x), functions of the form x = g(y), polar equations of
the form r = r(t), where t is the angle, as well as parametric
equations of the form x = x(t), y = y(t). Up to nine equations
can be plotted. It also computes line integrals over these curves.
You can use a mouse in this program.

This is a part of the Mathematics Toolkits Software
developed at the University of Arizona.