Mu (letter)
The My [my ː ] ( Ancient Greek neuter μῦ and Modern Greek Μι in Modern Greek, pronounced " mi"; majuscule: Μ, minuscule: μ ) is the 12th letter of the Greek alphabet and has after the Milesian principle a numeric value of 40 (→ Greek number font ).
Micro sign μ
The micro - mark is a separate character that is matched in computer fonts to use along with Latin letters (especially as adapters for units of measurement, eg in " microns " of micrometers). The micro - characters, a distinction is only in such typographical contexts from lowercase My. Accordingly, it is in Unicode compatibility equivalent to lowercase My, that is, the two signs are also formally in certain contexts (Search, URL) to be regarded as equivalent.
The micro - sign has its own coding in accordance with the standards ISO 6937 ( at position 0xB5 ) Latin-1 ( at position 0xB5 ) and Unicode ( U 00 B5 as micro sign ). In LaTeX \ is used micro. The HTML entity is μ.
On the German keyboard generates Alt Gr m the micro - characters μ.
Use
The lower case letter μ or the micro - symbol is used
- As a short character of the prefix "micro" in the SI system of units ( the prefix means 10-6 or a millionth of, for example, a uW is a millionth of a watt or 10-6 W);
- As part of proper names Torrent Client: uTorrent
- The multi-user version of WordPress: WordPress μ
- In chemistry for the chemical potential,
- The Joule-Thomson effect.
- In Physics the absorption coefficient,
- For the mobility and electron mobility,
- For the coefficient of static friction,
- For the unit of length 1 μ = 1 micron = 0.000001 m = 1 micron; obsolete name: micron
- For the muon, a lepton,
- The absolute permeability ( magnetism ),
- For the reduced mass.
- In the statistics for the expected value of a random variable (besides the spelling);
The term My is used:
- In the vernacular as a synonym for " a little bit " Example: " My only bigger", "that was next to a My only "