$int
From Scriptwiki
Returns the specified integer number without rounding.
$int(N)
- N is the number with decimals you want to handle.
Examples
$int($pi) ;will return 3 $int(9312412.3213) ;will return 9312412
var %i = 2.5 $calc(%i - %int(%i)) ;will return 0.5
The above example shows how to return the remainder from a decimal number.