Pocket reference / No. 01

A number,
a different alphabet.

Roman numerals, from 1 to 3999. Type a whole number; its Roman form appears below as you type.

Digits only. Surrounding whitespace and leading zeros are fine.

Uses the modern subtractive convention: IV, IX, XL, XC, CD and CM. Historical Roman notation varied; this card does not cover every variant.

One number. Seven symbols. Entirely offline.