Numberphile revived an ancient multiplication trick—halves and doubles—also called Egyptian or Russian math, where you ...

Adding larger numbers in your head is not always easy. If you need to use pen and paper, then the column method is a good way to add. It involves writing one number beneath the other, so that the ...

I Ching or "Classic of Change" is a Chinese book about telling the future or something. It doesn't matter. What matters is that I Ching defines a set of 64 "figures", called hexagrams, each consisting ...

Abstract: A method of computer multiplication and division is proposed which uses binary logarithms. The logarithm of a binary number may be determined approximately from the number itself by simple ...

Abstract: In this paper 16-bit multiplication is implemented using higher order compressors such as 4:3, 5:3, 6:3,7:3, 8:4, 9:4, 10:4, 11:4, 15:4 and a higher order compressor based efficient 16-bit ...