HackerPapers

arXiv:2602.14487math.PR

Estimating $π$ with a Coin

Jim Propp

HN submission. Found in a submission link or body. Submitters do not count as commenters in the main ranking; a submission is not an endorsement.

Abstract

We describe a simple Monte Carlo method for estimating $π$ by tossing a coin. Although the underlying Catalan-number series identities appear implicitly in the probability theory literature, the interpretation of $\fracπ{4}$ presented here seems to be new.

arXiv comments
3 pages
Journal reference
DOI
Subjects
math.PRProbability math.HOHistory and Overview

On Hacker News

No comments linking this paper were found in the collected sources. Found in 3 HN submissions from Feb 2026 to Apr 2026. Open submission discussions.

Comments linking this paper, per year.

Discussed in comments0 threads

No comments linking this paper were found in the collected sources. Open submission discussions.

Submitted to Hacker News

Connected through shared HN threads, not inferred similarity or a recommendation.