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5. Language Reference > Random Function
Name
Random Function
Description
The Random function returns a pseudorandom number.
Without arguments, it returns a floating-point number in the range
≤ Result < 1. The second form takes an
integer argument and returns an integer in the range
≤ Result < Limit.
Random is not a real function.
Tips and Tricks
-
Delphi uses a pseudorandom number generator (PRNG) with a cycle of 232. Although adequate for simple simulations, it is not suitable for use in encryption or other areas where you need a high-quality PRNG.
-
Call
Randomizeonce to start the sequence of pseudorandom numbers at a different number each time you run the program.
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