RND Function - Plus/4 Encyclopedia



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RND Function
Category Reference/Commodore BASIC V3.5 Topic RND(X) This function returns a numeric value. This function returns a RaNDom decimal number between 0 and 1. If X is 1 (or any positive number), a random number is taken from the current seed. The seed is always the same when the computer is powered up/reset. Therefore, the first time the RND(1) function is called after starting up/resetting the computer, it will return 1.07870447E-03. If the computer is reset and RND(1) is called again, it will produce the exact same number. If X is negative, the random number generator is re-seeded with that value. If X is 0, the random number generator is re-seeded from the system clock. This should be used for the first random number in a program. The RND function is often used in conjunction with the INT function to produce whole numbers. Examples `INT(RND(1)*6+1)` This allows for simulating the roll of a die. The INT function produces a whole number from the RND function. The random number is multiplied by 6, producing a random number between 0-5. To make this 1-6, +1 is added Abbreviation R SHIFT+N