Fiddler on the Proof

Fiddler on the Proof

About the Substack

The place for mathematical puzzles and the puzzling community. Two new puzzles every Friday morning!

Free Subscription Benefits

• Two new puzzles every week

Paid Subcription Benefits

• Access complete solutions for all puzzles
• Have your name on the quarterly leaderboard
• Post comments and join the community

Paid Subscription Plans

• $80 a year
• $8 a month

About Zach Wissner-Gross

Former Puzzle Editor @FiveThirtyEight; Math VP @Amplify; Co-Founder @SchoolYourself