View source for isnum

{{DavinciWiki_Function|Test for numeric input.
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Arguments: Single input (any format)
 
Return Value: 1 if input is numeric (byte, short, int, float, or double); 0 otherwise

If no arguments are input, isnum() prints its description, as shown below.
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[[Syntax]]: isnum(x)
 
'x' - anything
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 dv> isnum()
 
 Returns 1 if input is numeric (any format), 0 if not
 S.Marshall 12-06-2007
 
 0
 dv> isnum(1//2//3)
 1
 dv> isnum(pi)
 1
 dv> isnum("Hello world!")
 0
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*[[format]]
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*[[format]]
*[[type]]
*[[isint]]
*[[isscalar]]
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*math.dvrc
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}}


[[category:Functions]]
[[category:User Defined Functions]]
[[category:Davinci Variable Information]]
[[category:Math]]