2 ms·

But why wasn't the handcounting inherited too? It sounds useful to be able to count up until 60 on two hands.

• balamatom 1y ago
  Probably because it was too contrived. I mean, if you can count up to 12 on one, why can't you do up to 144 on both?
  • amelius 1y ago
    Could have something to do with right-handedness.