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Learn about the pi symbol (π), a geometric constant used in trigonometry and math formulas. Find out its code point, TeX, and SVG formats, and how to download it.
- Capital PI Symbol
The capital Greek letter Π (Pi) is visually very similar to...
- Formula
Note: This website uses the constant (tau) instead of (pi)...
- Capital PI Symbol
The number π ( / paɪ /; spelled out as " pi ") is a mathematical constant that is the ratio of a circle 's circumference to its diameter, approximately equal to 3.14159. The number π appears in many formulae across mathematics and physics.
Learn how to display a pi symbol using HTML and unicode codes, or copy and paste from a list of pi symbols in Greek, mathematical and Cyrillic letters. Find out how to type a pi sign on PC and Mac, and see pi symbol examples and images.
Find 11 variants of pi symbol (π) and learn how to customize, copy, and paste them. Also, see pi symbol alt codes and HTML code for different fonts and colors.
4 days ago · Pi is the ratio of the circumference of a circle to its diameter, represented by the symbol π. Learn about the history, value, and uses of pi in mathematics, physics, and engineering.
- The Editors of Encyclopaedia Britannica
- Pi is the ratio of the circumference of a circle to its diameter.
- The value of pi is approximately 3.14, or 22/7. To 39 decimal places, pi is 3.141592653589793238462643383279502884197. Pi is an irrational number,...
- Pi is used for solving problems involving the lengths of arcs or other curves, the areas of ellipses, sectors, and other curved surfaces, and the v...
Mar 4, 2024 · To type the Pi symbol, open the character picker by pressing the Windows key and the period at the same time or by pressing control-command-spacebar, look under the Greek symbols, and click the Pi icon.
Learn about the definition, properties, and applications of pi, the ratio between a circle's circumference and diameter. Explore how to approximate pi using polygons, statistical techniques, and simulations.