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Like other Greek letters, lowercase phi (encoded as the Unicode character U+03C6 φ GREEK SMALL LETTER PHI) is used as a mathematical or scientific symbol. Some uses [ example needed ] require the old-fashioned 'closed' glyph, which is separately encoded as the Unicode character U+03D5 ϕ GREEK PHI SYMBOL .
Greek alphabet letters are used as math and science symbols.
Phi (Φ, φ) Definition. Phi (Φ, φ) is the 21st letter of the Greek alphabet. In the system of traditional Greek numerals, phi has a value of 500 (φʹ) or 500,000 (͵φ). In Archaic and Classical Greek (c. 9th century BC to 4th century BC), it represented an aspirated voiceless bilabial plosive ( [p h ]), which was the origin of its usual ...
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.
Learn about the golden ratio (φ), a special number that appears in geometry, art, architecture and more. Find out how to calculate it, draw it, and see its relationship with the Fibonacci sequence.
The golden ratio, also known as the divine proportion, golden mean, or golden section, is a number often encountered when taking the ratios of distances in simple geometric figures such as the pentagon, pentagram, decagon and dodecahedron. It is denoted phi, or sometimes tau.
The Greek letter φ (phi) is used in geometry as a constant to represent the golden ratio.
