Step 6: Updates & Other Types of Abaci
units to complete other types of mathematical sums.
So I rearranged my abacus and added two extra walls and 24 more
wires for units to calculate with.
The colourful jewels really brighten my day.
Next I'm trying out mini abaci using flat "Smartie" like beads and wooden frames to carry around easily.
I think I might use a satay stick to work out the sums on them.