|Parameters||n, a number|
|Purpose||Determines if v is an exact number.|
|Produces||A truth value: true (|
|Preconditions||Only one parameter (verified).|
n is a number (verified).
> (exact? 'a) exact?: expects argument of type <number> given a > (exact? 12.2) #f > (exact? 3) #t > (exact? 3 4) exact?: expects 1 argument, given 2: 3 4
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