 Function: fmt
Function: fmtfmt (<num>{,<int>})
string
A numeric value as a string.
<num>
The numeric value 
 to be converted to a string.
<int>
The number of decimal 
 places to be printed after a decimal point. If omitted, the value of the 
 system numeric dec_places is used. Trailing zero’s 
 are included.
In the following, os will be set to the value '14.7000'
numeric x = 14.7 string os = fmt(x,4)
| Functions: | ns(string) | 
| Identifiers: | dec_places(numeric) |