3 ms·
The soroban uses rods with 4+1 beads. These amounts of beads is enough to represent decimal numbers. And the ones with 5+2 beads rods are used to represent hex
by 29athrowaway 6y ago
The soroban uses rods with 4+1 beads. These amounts of beads is enough to represent decimal numbers.
And the ones with 5+2 beads rods are used to represent hexadecimal numbers. This was the configuration of the abacus imported from China, the suanpan.