Monthly Archives: January 2018

How high can you count in limited space?

Introduction I recently saw several different checks, all from the same bank, each with a different dollar amount printed in a fixed-width font, similar to the shortened example below: **PAY EXACTLY**twelve thousand thirty-four and 56/100**************** Counting asterisks confirmed that the … Continue reading

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Proofs and theorems without words

Introduction In the figure below, a regular hexagon with side length 12 is tiled with “lozenges,” sort of like triangular dominoes, each consisting of a pair of unit-length equilateral triangles joined at a common side. Each lozenge is in one … Continue reading

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