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?
Determine if a Given Number is a Triangle Number
Angle of triangle
Back to basics 5 - Clipboard
Add two numbers
Try 1.5.4: Celsius to Fahrenheit
Great Circle Distance
Generate N equally spaced intervals between -L and L
N-Dimensional Array Slice
Lychrel Number Test (Inspired by Project Euler Problem 55)
The Dark Side of the Die
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