A simple way to generate random points on a sphere(johndcook.com)

65 points by piinbinary 1 year ago | 57 comments

Conway's pinwheel tiling(johndcook.com)

32 points by pavel_lishin 1 year ago | 3 comments

Tetrahedral Analog of the Pythagorean Theorem(johndcook.com)

10 points by ibobev 11 months ago | 1 comments

A triangle whose interior angles sum to zero(johndcook.com)

123 points by tzury 11 months ago | 56 comments

987654321 / 123456789(johndcook.com)

613 points by ColinWright 1 year ago | 100 comments

John D. Cook blog post examining why 987654321/123456789 is nearly 8 and whether analogous digit ratios in other bases are close to integers.

Why Mathematica does not simplify sinh(arccosh(x))(johndcook.com)

141 points by ibobev 7 months ago | 54 comments