Core Function Round

Latest revision as of 19:01, 2 December 2011

Round( <expression>, <decimalplaces> )

Description

Returns a number rounded to a specified number of decimal places.

Parameters

expression

Any valid numeric expression.

newbase

Optional; Number indicating how many places to the right of the decimal are included in the rounding. If omitted, Round returns an integer.

Return Value

Returns rounded number.

Remarks

The decimalplaces parameter can be negative which allows you to round to the ones, tens, hundred, etc. place.

Note that up to fifteen digits of a number are displayed, and note that decimalplaces will never pad a number with trailing zeros.

Example

$x = Round(-1.582, 1); //returns -1.6
$y = Round(3.1415, 9); //no change
$z = Round(123.5, -1); //returns 120
println("X: $x Y: $y Z:$z");