Neil: I have to add up these inventory numbers. Leticia: Would you like a calculator, Neil? Neil: I don't believe in calculators. I want to do it the way our ancestors did for hundreds of years!
Well, to be painfully literal, the abacus is not a calculator. The calculations are all done in your head, the abacus is simply a convenient (once you get the hang of it) means of keeping track of where you are in the calculations.
To ALL my friends here:
This is why I installed an abacus app on my iPhone.
July 15, 2017
October 20, 2017
November 28, 2017
November 29, 2017