3 ms·

Dotted 0 (number) and a regular round O (letter) should also be possible, instead of a round blank 0 (number) and an O (letter) with a top curl.

• xigoi 2y ago
  In math, zeros are more common than Os by several orders of magnitude, so it makes sense to use the lower-effort symbol for them.
  • xyproto 2y ago
    You are right! I didn't think of that.