No.
RND
stands for RANDOM,
and stands for a different number between
0.0 and 0.99999 each time it is exectued.
To get larger numbers, multiply RND
by the largest number you need.
For example, 640*RND
gives you a number between 0 and 640*0.99999.
In other words,
it will give you a number between 0 and slightly less than 640.
Each time 640*RND
is executed,
it is like picking a number out of a hat.
You know the number will be between zero and slightly less than 640,
But other than that you know nothing.
What range of values does 480*RND
give you?