|Use in other languages|
Mu (uppercase/lowercase Μ μ) is a letter of the Greek alphabet used to represent the "m" sound in Ancient and Modern Greek. In the system of Greek numerals, it has a value of 40. Letters that came from it include the Roman M and Cyrillic М.
In mathematics and statistics, the lowercase μ is used to represent population mean and the Möbius function. It is also used to represent coefficient of friction, micrometre and muon in physics.
Related pages[change | change source]
References[change | change source]
- "Greek/Hebrew/Latin-based Symbols in Mathematics". Math Vault. 2020-03-20. Retrieved 2020-10-06.
- "Mu Symbol in Greek Alphabet". www.greeksymbols.net. Retrieved 2020-10-06.