Page 5 — A Conversation with Masha Gessen
Stephen Abbot
Page 8 — Getting a Handle on Poincaré
Jesse Johnson
Page 12 — Gaussian Guesswork (or why 1.19814023473559220744…is such a beautiful number)
Adrian Rice
Page 16 — Stochastic Calculus and the Nobel Prize Winning Black-Scholes Equation
Frank Morgan
Page 19 — The Circle-Squaring Problem Decomposed
Pamela Pierce, John Ramsay, Hannah Roberts, Nancy Tinoza, Jeffrey Willert, and Wenyuan Wu
Page 22 — Soggy Jogging in Flatland: A 2D Analysis of Running in the Rain
Dank Hailman and Bruce Torrents
Page 25 — Tricky Factoring, Pythagorean Triples, and Heron’s Formula
Dan Pritikin and Gary Yane
Page 28 — Book Reviews
Reviews by Vagn Lundsgaard Hansen and Peter Schumer
Page 30 — The Playground
Derek Smith
