From: John Beckett 

"Geo"  wrote in message
news::
> int n = (rand()/32767)*9999

You may want some explanation.

int a = 13;
int b = 10;

int n;
n = a / b;              // n is 1 (integer division)
n = a % b;      // n is 3 (remainder)

The reasoning is that computer hardware is capable of integer operations
AND floating point operations, and they are different. Therefore, the
language should have a way of doing both. The same symbol (/) is used for
integer division and for floating-point division.

Because a and b are integers, a / b is integer division.

float x ;
x = a / b;                      // x is 1.0 (integer division!)
x = (float)a / (float) b;       // x is 1.3

John

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