A continuous pdf is conceptually a histogram whose bin area sums to one. Infinite, infinitely small bins, however, are required to allow depiction of an infinite number of distinct continuous outcomes.
anm.cont.pdf(part = "norm", interval = 0.3)see.pdf.conc.tck()
Parent distribution, options are "norm" = N(0, 1), "t" = t(10),
"exp" = EXP(1), and "unif" = UNIF(0,1)
Animation interval