## inexact?: determine if a number is approximated

Predicate`inexact?`
Parametersn, a number
PurposeDetermines if n is not an exact number, and therefore approximated.
ProducesA truth value: true (`#t`) if n is not an exact number, false (`#f`) if it is an exact number. A number is exact if Scheme represents it exactly (with no rounding off).
PreconditionsOnly one parameter (verified).
n is a number (verified).
Examples
```> (inexact? 'a)
inexact?: expects argument of type <number> given a
> (inexact? 12.2)
#t
> (inexact? 3)
#f
> (inexact? 3 4)
inexact?: expects 1 argument, given 2: 3 4
> (inexact?)
inexact?: expects 1 argument, given 0
```

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This page was generated by Siteweaver on Thu Feb 22 05:48:01 2001.
This page may be found at `http://www.cs.grinnell.edu/~rebelsky/Courses/CS151/2001S/inexact-p.html`.