Writes numeric values with a period that separates every three digits and a comma that separates the decimal fraction.
| Category: | Numeric |
| Alignment: | Right |
specifies the width of the output field.
| Default | 6 |
| Range | 1–32 |
| Tip | Make w wide enough to write the numeric values, the commas, and the optional decimal point. |
specifies the number of digits to the right of the decimal point in the numeric value.
| Range | 0–31 |
| Requirement | must be less than w |