Pi (nonfiction)

The circumference of a circle is slightly more than three times as long as its diameter. The exact ratio is called π.

The number pi is a mathematical constant, the ratio of a circle's circumference to its diameter, commonly approximated as 3.14159.

In the News

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  1882: Mathematician and academic Ferdinand von Lindemann publishes proof that π (pi) is a transcendental number.

Fiction cross-reference

• Crimes against mathematical constants
• Mathematics
• Postminimalist detective

Nonfiction cross-reference

• Ferdinand von Lindemann (nonfiction)
• Geometry (nonfiction)
• Mathematical constant (nonfiction)
• Mathematics (nonfiction)
• Transcendental number (nonfiction)

External links:

• Pi @ Wikipedia