Pi – Wikipedia
https://no.wikipedia.org/wiki/PiDen matematiske konstanten (symbol: (minuskel pi), gresk bokstav) er definert som forholdet mellom omkretsen og diameteren til en sirkel: Omkrets = × diameter.Ofte brukes 3,14 eller brøken 22/7 som en rimelig tilnærming til for hverdags bruk, for eksempel i skolen. Den nøyaktige verdien har uendelig mange ikke-sykliske desimaler, dermed er et irrasjonalt tall eller mer spesifikt et ...
Euler's phi function - The Prime Pages
https://primes.utm.edu › EulersPhiThis pages contains the entry titled 'Euler's phi function.' Come explore a new prime ... integer n, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16.
The Golden Ratio: Phi, 1.618 - Golden Ratio, Phi, 1.618 ...
https://www.goldennumber.netGolden Ratio, Phi, 1.618, and Fibonacci in Math, Nature, Art, Design, Beauty and the Face. One source with over 100 articles and latest findings.
What is Phi? (The Basics of the Golden Ratio)
https://www.goldennumber.net/wPhi for “Neo-Phi-tes:” Phi ( Φ = 1.618033988749895… ), most often pronounced fi like “fly,” is simply an irrational number like pi ( p = 3.14159265358979… ), but one with many unusual mathematical properties. Unlike pi, which is a transcendental number, phi is the solution to a quadratic equation. Phi is the basis for the Golden Ratio, Section or Mean The ratio, or …
Phi - Wikipedia
https://en.wikipedia.org/wiki/PhiPhi (/ f aɪ /; uppercase Φ, lowercase φ or ϕ; Ancient Greek: ϕεῖ pheî; Modern Greek: φι fi) is the 21st letter of the Greek alphabet.. In Archaic and Classical Greek (c. 9th century BC to 4th century BC), it represented an aspirated voiceless bilabial plosive ([pʰ]), which was the origin of its usual romanization as ph . During the later part of Classical Antiquity, in Koine Greek ...