RANDOMIZE
The RANDOMIZE statement resets the value of a seed that the RND function
uses for random number generation. The seed is set to one of 116 values
that are available to it.
Syntax
RANDOMIZE [n]
Parameters
n An optional parameter specifying a value for the seed.
Examples
10 RANDOMIZE !A random seed value.
20 RANDOMIZE 1.793 !The seed is 1.793.