Ν
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Contenido Ni (according to the RAE since 2001) or ny (in capital letters Ν, lowercase ν; call in ancient Greek νῦ nû /nŷː/, in Modern Greek νι/νυ ni/ny /ni/) is the thirteenth letter of the Greek alphabet. Called nu, in an extraordinary way, in the scientific field.[citation required] It must be distinguished from its derivative in the Latin alphabet N.
In the Greek numeral system it has a value of 50 (Νʹ).
History
Its ancient name in Greek was νυ, with ípsilon, which loses the final sound with respect to the name of the Phoenician letter nun (𐤍) from which it comes. In modern Greek her name is νι, written with iota, like the letter mi (Μ).
Epigraphic variants
In archaic epigraphic sources the following variants appear:
Use
The lowercase letter ν is used as a symbol for:
- Nu, which in physics and chemistry (and in other fields), represents the frequency of a wave.
- Nuwhich in particle physics is used to denote neutrinos
- Nuwhich in classical mechanics is frequently used for the coefficient of Poisson.
- Nu, which in fluid mechanics represents kinematic viscosity.
- Nuwhich in orbital mechanics represents the true anomaly.
Unicode
- Greek and Coptic
Character | . | . | ||||||
---|---|---|---|---|---|---|---|---|
Unicode | GREEK CAPITAL LETTER NU | GREEK SMALL LETTER NU | COPTIC CAPITAL LETTER NI | COPTIC SMALL LETTER | ||||
Codification | decimal | Hex | decimal | Hex | decimal | Hex | decimal | Hex |
Unicode | 925 | U+039D | 957 | U+03BD | 11418 | U+2C9A | 11419 | U+2C9B |
UTF-8 | 206 157 | EC 9D | 206 189 | EC BD | 226 178 154 | E2 B2 9A | 226 178 155 | E2 B2 9B |
Ref. numerical | " 925; | Ν | "#957; | ν | "#11418; | Ⲛ | "#11419; | ⲛ |
Ref. entity | Nu; | ν | ||||||
DOS Greek | 140 | 8C | 164 | A4 | ||||
DOS Greek-2 | 181 | B5 | 231 | E7 | ||||
Windows 1253 | 205 | CD | 237 | ED | ||||
TeX | nu |
- Maths
Character | . | . | . | . | . | . | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Unicode | MATHEMATICAL BOLD CAPITAL NU | MATHEMATICAL BOLD SMALL NU | MATHEMATICAL ITALIC CAPITAL NU | MATHEMATICAL ITALIC SMALL NU | MATHEMATICAL BOLD ITALIC CAPITAL NU | MATHEMATICAL BOLD ITALIC SMALL NU | ||||||
Codification | decimal | Hex | decimal | Hex | decimal | Hex | decimal | Hex | decimal | Hex | decimal | Hex |
Unicode | 120500 | U+1D6B4 | 120526 | U+1D6CE | 120558 | U+1D6EE | 120584 | U+1D708 | 120616 | U+1D728 | 120642 | U+1D742 |
UTF-8 | 240 157 154 180 | F0 9D 9A B4 | 240 157 155 | F0 9D 9B 8E | 240 157 174 | F0 9D 9B AE | 240 157 156 | F0 9D 9C 88 | 240 157 156 | F0 9D 9C A8 | 240 157 130 | F0 9D 9D 82 |
Ref. numerical | "#120500; | 𝚴 | 𝛎 | 𝛎 | "#120558; | 𝛮 | " 120584; | 𝜈 | " 120616; | 𝜨 | " 120642; | 𝝂 |
Character | . | . | . | . | ||||
---|---|---|---|---|---|---|---|---|
Unicode | MATHEMATICAL SANS-SERIF BOLD CAPITAL NU | MATHEMATICAL SANS-SERIF BOLD SMALL NU | MATHEMATICAL SANS-SERIF BOLD ITALIC CAPITAL NU | MATHEMATICAL SANS-SERIF BOLD ITALIC SMALL NU | ||||
Codification | decimal | Hex | decimal | Hex | decimal | Hex | decimal | Hex |
Unicode | 120674 | U+1D762 | 120700 | U+1D77C | 120732 | U+1D79C | 120758 | U+1D7B6 |
UTF-8 | 240 157 162 | F0 9D 9D A2 | 240 157 188 | F0 9D 9D BC | 240 157 158 156 | F0 9D 9E 9C | 240 157 158 182 | F0 9D 9E B6 |
Ref. numerical | " 120674; | 𝝢 | " 120700; | 𝝼 | "#120732; | 𝞜 | "#120758; | 𝞶 |
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