Tetrahedral Analog of the Pythagorean Theorem(johndcook.com)

10 points by ibobev 11 months ago | 1 comments

Randomly selecting points inside a triangle(johndcook.com)

58 points by ibobev 1 year ago | 35 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.

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

123 points by tzury 11 months ago | 56 comments

Mathematical minimalism(johndcook.com)

27 points by chmaynard 6 months ago | 1 comments

Punch cards and dollar bills(johndcook.com)

7 points by zdw 1 year ago | 0 comments