Definition from Wiktionary, the free dictionary
|Unicode name||GREEK SMALL LETTER PHI|
|Unicode block||Greek and Coptic|
See also: Φ [U+03A6 GREEK CAPITAL LETTER PHI], Ф [U+0424 CYRILLIC CAPITAL LETTER EF], ф [U+0444 CYRILLIC SMALL LETTER EF], and Փ [U+0553 ARMENIAN CAPITAL LETTER PIWR]
- (mathematics) The golden ratio, an irrational number with a value of approximately 1.618033988 which expresses the relationship that the sum of two quantities is to the larger quantity as the larger is to the smaller.
- (mathematics) Euler's totient function, an arithmetic function that counts totatives
- The number 500 in Greek numerals.
- The number 500,000 in Greek numerals.