Unlike the picture, there are no decimals. The rightmost column is the unit column.
Hi, the abacus is Chinese invention, not japanese !!!
i never made any claim to who invented the abacus. i'm just clarifying that this problem pertains to the japanese soroban, which is specifically designed for base-10 arithmetic.
Link provided to webhome.idirect.com appears to be down. Here is another link:
i dont get it..how does it work?
Check to see if a Sudoku Puzzle is Solved
Project Euler: Problem 6, Natural numbers, squares and sums.
Find a subset that divides the vector into equal halves
Fill a zeros matrix
Roll the Dice!
Inhomogenous Depth Scale Interpolation
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