- Use whatever resources you'd usually use eg. The Internet
- Do whichever exercise you fancy
- Relax, pair as normal, and have fun!
You've probably seen copyright notices which use roman numerals for their year, eg MMVII (2007).
Build a thing which converts roman numerals back to dates, in the range 0 to 2100.
Build a thing which converts years back to numerals, again in the range 0 to 2100.