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Pi poetry

Pi

“One. A Poem. A Raven. Midnights so dreary, tired and weary, silently pondering volumes extolling all by-now obsolete lore.” The beginning of a short story that also encodes the first 3835 digits of pi.

Word frequency laws

Books

In 1945 the linguist George Zipf observed two strange word frequency phenomena: the longer a word is, the less common it is; and the most common word is used twice as much as the second most common, three times more than the third.

Pie spy

First pie chart

The inventor of the pie chart and the bar chart was also a secret agent who helped collapse the French revolutionary government’s economy through an elaborate counterfeiting operation.