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English: Glyph variants of Greek letter Pi in ancient cursive handwriting, according to C. Faulmann, Schriftzeichen und Alphabete aller Zeiten und Völker, Wien 1880.
Pi (/ˈpaɪ/; Ancient Greek /piː/ or /peî/, uppercase Π, lowercase π, cursive ϖ; Greek: πι) is the sixteenth letter of the Greek alphabet, representing the voiceless bilabial plosive IPA:. In the system of Greek numerals it has a value of 80.
the Pi function, i.e. the Gamma function when offset to coincide with the factorial; the complete elliptic integral of the third kind; the fundamental groupoid; osmotic pressure; represents: Archimedes' constant (more commonly just called Pi), the ratio of a circle's circumference to its diameter; the prime-counting function
Pi with caron: Nonstandard letter for Cypriot Greek representing /pʲ/ [9] ῤ: Rho with smooth breathing: Archaic letter denoting /r/, [11] Ῥῥ: Rho with rough breathing: Archaic letter denoting /r̥/ [11] Ṗρ̇: Rho with dot above: Arvanitika letter for /r/ [7] Σ̌σ̌ς̌: Sigma with caron: Nonstandard letter for Cypriot Greek [9] and ...
The Greek alphabet has been used to write the Greek language since the late 9th or early 8th century BC. [2] [3] It was derived from the earlier Phoenician alphabet, [4] and is the earliest known alphabetic script to have developed distinct letters for vowels as well as consonants. [5]
For most symbols, the entry name is the corresponding Unicode symbol. So, for searching the entry of a symbol, it suffices to type or copy the Unicode symbol into the search textbox. Similarly, when possible, the entry name of a symbol is also an anchor, which allows linking easily from another Wikipedia article. When an entry name contains ...
Greek Pi Π peace/rest [18] Р р: рьци: rĕci r r [r]; sometimes [rʲ] [3] 100 Greek Rho Ρ say When marked with a palatalization mark or followed by a palatalizing vowel (ю or ѭ), this letter is pronounced [rʲ]; some manuscripts do not mark palatalization, in which case it must be inferred from context. [3]
The most common superscript digits (1, 2, and 3) were included in ISO-8859-1 and were therefore carried over into those code points in the Latin-1 range of Unicode. The remainder were placed along with basic arithmetical symbols, and later some Latin subscripts, in a dedicated block at U+2070 to U+209F.