Use numerals for ranges.
- Full numbers
In ranges, always write numbers in full to avoid ambiguity.
![Exemple no admissible Exemple no admissible](grafics/exemple-incorrecte.png) | between 18 and 20,000 people |
![Exemple adequat Exemple adequat](grafics/exemple-correcte.png) | between 18,000 and 20,000 people |
![Exemple no admissible Exemple no admissible](grafics/exemple-incorrecte.png) | pages 123–5 |
![Exemple adequat Exemple adequat](grafics/exemple-correcte.png) | pages 123–125 |
- En dashes
Use a closed-up en dash (–) to indicate a range. Do not use a hyphen (-). Therefore, not
![Exemple no admissible Exemple no admissible](grafics/exemple-incorrecte.png) | groups of 5-10 students |
but
![Exemple adequat Exemple adequat](grafics/exemple-correcte.png) | groups of 5–10 students |
To type an en dash, press Alt+0150 using the numbers on your numeric keypad. (To activate this function, make sure to turn on the numeric lock key, which is called Bloq Núm or Num Lock on most keyboards.)
- Symbols
In ranges, repeat those symbols and units that are joined to a numeral.
100°C–150°C | between 100°C and 150°C |
20–30 cm | from 20 to 30 cm |
For advice on spacing, see
Spacing.