Programming Reference Manual
 
Description
The following predefined number formats may be used with the Format function. Predefined formats may not be combined with user defined formats or other predefined formats.
 
Parameter
Description
General Number
Return number as is.
Currency
Same as user defined number format "$#,##0.00;($#,##0.00)"
Not locale dependent at this time. 
Fixed
Same as user defined number format "0.00".
Standard
Same as user defined number format "#,##0.00".
Percent
Same as user defined number format "0.00%".
Scientific
Same as user defined number format "0.00E+00".
Yes/No
Return "No" if zero, else return "Yes".
True/False
Return "True" if zero, else return "False".
On/Off
Return "On" if zero, else return "Off".
Example
 
Sub Main
Debug.Print Format$(2.145,"Standard") ' 2.15
End Sub