fourier.zip    187535  07-22-94  Graph the first 20 Fourier polynomials of a
                               | function.
fouri_ss.zip   127501  07-20-94  Slide show of graphs of functions w/
                               | Fourier approx.
lineint.zip    211619  07-22-94  Computes line integrals over parametric
                               | eqns., etc.
pc_conv.zip    112112  07-22-94  Demo - graphically shows the convolution of
                               | 2 functions.