In addition to the standard categories such as length, area, volume, etc. there are some internal modules available that can be modified only with developer knowledge, because those categories are based on simple up to even very complex formulas/algorithms:
| Modules |
Code |
| Roman Numerals | ROMAN |
| Positional Notations | RADIX35 |
| Fractions | FRACTIONS |
| Spoken Numbers | SPOKENNUMBERS |
| Time in Words | SPOKENTIME |
| Time Zones | TIMEZONES |
| Queries on a Date | CALENDAR |
| Date and Timeformats | CALENDARFORMATS |
| High Days and Holidays | CALENDARYEAR |
| Calendar Systems | CALENDARS |
| Digital Fingerprints | FINGERPRINTS |
| Color | COLOR |
| Unicode | UNICODE |
| Phoneword (z. B. 555-HELP) | ALPHAPHONE |
| International Dial Codes | DIALCODE |
| Geographic Coordinates | COORD |