Top New Best Ask Show Jobs

Why Friday the 13th is a mathematical inevitability | Hacker News Reader

Why Friday the 13th is a mathematical inevitability

scientificamerican.com

3 points·1659447091··1 comment

Open articleView on HN

Or 12 / 7 > 1 so most maybe all years will have a F13

Reply on news.ycombinator.com