## Mathematical Games

The superellipse: a curve that lies between the ellipse and the rectangle

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The superellipse: a curve that lies between the ellipse and the rectangle

September 1, 1965 — Martin Gardner

Thoughts on the task of communication with intelligent organisms on other worlds

August 1, 1965 — Martin Gardner

On the relation between mathematics and the ordered patterns of Op art

July 1, 1965 — Martin Gardner

Some diversions and problems from Mr. O'Gara, the postman

June 1, 1965 — Martin Gardner

*The lattice of integers considered as an orchard or a billiard table*

May 1, 1965 — Martin Gardner

The infinite regress in philosophy, literature and mathematical proof

April 1, 1965 — Martin Gardner

A new group of short problems and answers to last month's questions

March 1, 1965 — Martin Gardner

*Tetrahedrons in nature and architecture, and puzzles involving this simplest polyhedron*

February 1, 1965 — Martin Gardner

Some comments by Dr. Matrix on symmetries and reversals

January 1, 1965 — Martin Gardner

On polyiamonds: shapes that are made out of equilateral triangles

December 1, 1964 — Martin Gardner

Some paradoxes and puzzles involving infinite series and the concept of limit

November 1, 1964 — Martin Gardner

Simple proofs of the Pythagorean theorem, and sundry other matters

October 1, 1964 — Martin Gardner

Puns, palindromes and other word games that partake of the mathematical spirit

September 1, 1964 — Martin Gardner

Concerning several magic tricks based on mathematical principles

August 1, 1964 — Martin Gardner

A collection of short problems and more talk of prime numbers

June 1, 1964 — Martin Gardner

*The tyranny of 10 overthrown with the ternary number system*

May 1, 1964 — Martin Gardner

Various problems based on planar graphs, or sets of "vertices" connected by "edges"

April 1, 1964 — Martin Gardner

The hypnotic fascination of sliding-block puzzles

February 1, 1964 — Martin Gardner

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