My implementation of Roman numerals – Share your Projects – Snap! Forum https://forum.snap.berkeley.edu/t/my-implementation-of-roman-numerals/5436
I made some blocks that convert Arabic numerals to/from Roman numerals. Converting Roman numerals to Arabic numerals was fairly simple, while going the other way around needed a bit more brainstorming because of numbers …
I think if a lesser number a preceded a greater number b, then it would add b – a