21 Mar
2017
21 Mar
'17
9:43 a.m.
Well, that knocks into a cocked hat my "calculation" of sqrt(2) by folding a piece of A4 paper: http://aperiodical.com/2016/04/approximate-a-ratio-by-folding-a-piece-of-pap... . The same process failed to confirm that my bath towel is in the ratio 2:3, for obvious reasons. On Tue, 21 Mar 2017 at 15:08 Simon Plouffe <simon.plouffe@gmail.com> wrote: Hello, a number of years ago I used a method to compute a binary number using the ruler and compass, the number was arctan(1/2)/Pi, here is the article : http://www.plouffe.fr/simon/compass.html Best regards, Simon Plouffe _______________________________________________ math-fun mailing list math-fun@mailman.xmission.com https://mailman.xmission.com/cgi-bin/mailman/listinfo/math-fun