Numeric controls and indicators accept only the following characters.
| Character(s) | Description |
|---|---|
| Decimal digits | 1, 1.0, 2, 3.5, and so on |
| . | Decimal point |
| + | Positive symbol |
| – | Negative symbol |
| E or e | For scientific or engineering notation format |
| Inf | Infinity |
| NaN | Not a number |
| / | For use in absolute time format |
| : | For use in absolute time format |
| AM, am, PM, pm | For use in absolute time format |