Description	This unit contains the predefined subprograms that deal with random numbers. All routines in the Rand unit are exported qualified (and thus must be prefaced with "Rand.").
Entry Points	Real   Returns a random real number. Int   Returns a random integer. Reset   Sets the seed in the default sequence to a default value. Set   Sets the seed in the default sequence to a specified value. Next   Returns a random real number from a sequence. Seed   Sets a seed in a sequence.