Five plus eight makes one?

Count the hours as they wrap.

Math around the clock!

Madeline Barnicle

## Tag: Groups

## Nightmare

Algebra’s nightmare:

Paul Glendinning

a new finite simple group.

Black ink on fresh snow.

Department of Mathematics, University of Manchester, UK

## 17

Wallpaper patterns;

9-by-9 Sudoku clues;

what teenage Gauss made.

Lawrence M. Lesser

from Math in Seventeen Syllables