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Pi (letter) - Wikipedia, the free encyclopedia

Pi (letter)

From Wikipedia, the free encyclopedia

Look up Π, π in Wiktionary, the free dictionary.
Greek alphabet
Αα Alpha Νν Nu
Ββ Beta Ξξ Xi
Γγ Gamma Οο Omicron
Δδ Delta Ππ Pi
Εε Epsilon Ρρ Rho
Ζζ Zeta Σσς Sigma
Ηη Eta Ττ Tau
Θθ Theta Υυ Upsilon
Ιι Iota Φφ Phi
Κκ Kappa Χχ Chi
Λλ Lambda Ψψ Psi
Μμ Mu Ωω Omega
Obsolete letters
Digamma Qoppa
San Sampi

Greek diacritics

Pi (uppercase Π, lower case π) is the sixteenth letter of the Greek alphabet. In the system of Greek numerals it has a value of 80.

In Modern Greek, the name of the letter is pronounced /pi/; in modern English, it is pronounced /paɪ/, in particular when referring to the mathematical constant (see below). In Greek the letter is pronounced /p/.

The upper-case letter Π is used as a symbol for:

The lower-case letter π is used as a symbol for:

Variant pi or "pomega" (\varpi\,\! or ϖ) is a glyph variant of lower case pi sometimes used in technical contexts as though it were a lower-case omega with a macron, though historically it is simply a cursive form of pi, with its legs bent inward to meet. It is used as a symbol for

In HTML, the capital letter Π can be produced using the codes Π or Π, and the lower-case by using π or π within the source code.

[edit] References


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