Wooden abacus
The wooden abacus remains a significant tool in the history of mathematics
https://barnshenn.co.uk/math-i....t-up-beads-abacus.ht
#woodentoys #barnshenn #woodenabacus
Wooden abacus
The wooden abacus remains a significant tool in the history of mathematics
https://barnshenn.co.uk/math-i....t-up-beads-abacus.ht
#woodentoys #barnshenn #woodenabacus