$round
From Scriptwiki
Returns the floating number you specify rounded to the specified number of decimals.
$round(N,D)
- N is the number you want to round.
- D is the number of decimals you want.
Examples
The following will echo pi with 3 decimals:
$round($pi,3) ;will return 3.142 $round(1.5001,0) ;will return 2