Creates a custom-formatted number value. For international
number formatting use LSNumberFormat.
[mask - quicky]
_,9 Digit placeholder; . decimal point; 0 Pads with zeros;
( ) less than zero, puts parentheses around the mask
+ plus sign before positive number minus before negative
- a space before positive minus sign before negative
, Separates every third decimal place with a comma.
L,C Left-justifies or center-justifies number
$ dollar sign before formatted number.
^ Separates left and right formatting.

numberformat(any number,[string mask]):string

The arguments for this function are set. You can not use other arguments except the following ones.