Truncate

Truncate a number off to n places. number = truncate(number, decimals)

Arguments

 * number: Number. The number to truncate.
 * decimals : Number. Truncate to this many places.

Returns

 * number : Number. The truncated number.

Example
local number = truncate(math.pi, 3) print(number)

Prints: 3.141

Code
function truncate(number, decimals) return number - (number % (0.1 ^ decimals)) end