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?
CONVERT TAN TO SIN
Create an index-powered vector
N-Dimensional Array Slice
Guess the Coefficients!
Number of 1s in the Binary Representation of a Number
Next Lower Power of B
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