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?
Number of Horns on a unicorn!
Generate a vector like 1,2,2,3,3,3,4,4,4,4
Max index of 3D array
Reverse the Words (not letters) of a String
First N Perfect Squares
Recurring Cycle Length (Inspired by Project Euler Problem 26)
Parse me a Lisp
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