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Lower-case pi was fairly common in 8-bit character encodings, for instance it is at 0xE3 in CP437 and at 0xB9 on Mac OS Roman. The various forms of pi present in Unicode are: U+03A0 Π GREEK CAPITAL LETTER PI (Π) U+03C0 π GREEK SMALL LETTER PI (π) U+03D6 ϖ GREEK PI SYMBOL (ϖ, ϖ) U+1D28 ᴨ GREEK LETTER SMALL CAPITAL PI
The number π (/ p aɪ /; spelled out as "pi") is a mathematical constant, approximately equal to 3.14159, that is the ratio of a circle's circumference to its diameter.It appears in many formulae across mathematics and physics, and some of these formulae are commonly used for defining π, to avoid relying on the definition of the length of a curve.
Greek letters are used in mathematics, science, engineering, and other areas where mathematical notation is used as symbols for constants, special functions, and also conventionally for variables representing certain quantities. In these contexts, the capital letters and the small letters represent distinct and unrelated entities.
Going back to the holiday's roots, the mathematical symbol Pi is the ratio of the circumference of a circle to its diameter. The value of Pi is approximately 3.14, but it has infinite decimal ...
As of Unicode version 16.0, there are 155,063 characters with code points, covering 168 modern and historical scripts, as well as multiple symbol sets. This article includes the 1,062 characters in the Multilingual European Character Set 2 subset, and some additional related characters.
Typographical symbols and punctuation marks are marks and symbols used in typography with a variety of purposes such as to help with legibility and accessibility, or to identify special cases. This list gives those most commonly encountered with Latin script. For a far more comprehensive list of symbols and signs, see List of Unicode characters.
Explanations of the symbols in the right hand column can be found by clicking on them. List. Name Symbol Decimal expansion Formula ... Pi 3.14159 26535 89793 ...
In the computer industry, a dingbat font or pi font [1] is a computer font that has symbols and shapes located at the code points normally designated for alphabetical or numeric characters. This practice was necessitated by the limited number of code points available in 20th century operating systems .