What version of KiXtart supports MOD?

Here is a MOD function if you don't have the latest (RC) version (could be adapted to non-function form):

code:
Function MOD($num1,$num2)
$n1 = $num1/$num2
$c=0
Do
$c=$c+1
$n2 = ($num1+$c)/$num2
Until $n2 <> $n1
$mod = $num2 - $c
EndFunction
Brian