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?
Remove any row in which a NaN appears
Sums with Excluded Digits
Find the two-word state names
Distance walked 3D
Get the length of a given vector
Check to see if a Sudoku Puzzle is Solved
Lychrel Number Test (Inspired by Project Euler Problem 55)
Number of 1s in the Binary Representation of a Number
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