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?
What is the distance from point P(x,y) to the line Ax + By + C = 0?
Back to basics 24 - Symbolic variables
Whether the input is vector?
02 - Vector Variables 1
Is this triangle right-angled?
Project Euler: Problem 16, Sums of Digits of Powers of Two
Solve the Sudoku Row
Recurring Cycle Length (Inspired by Project Euler Problem 26)
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