' - - File: XII_Family2.txt
c=0.25                                          ' Our ID constant to vary per each curve.
                                                      ' Try  c = .25 --> 2 and 7 curves.
P{t} = c * t^2   
F<t> = <t, P, 0>

t0 = -3  :  tf = 3  :  n = 100
Plot[F, {t, t0, tf, n}]
                                                      ' Remove auto-axes before execution.
                                                      ' When finished, then turn on axes.
                                                      ' Set x-scale = 1; y-scale = 2 PRIOR to start family.
'  You can then adjust zoom, angle views, etc. Do NOT attempt to rescale any of the
'     axis AFTER processing all the curves. Only the last geneated curve would be effected.





