Mu (letter)

Greek alphabet
Αα Alpha Νν Nu Ββ Beta Ξξ Xi Γγ Gamma Οο Omicron Δδ Delta Ππ Pi Εε Epsilon Ρρ Rho Ζζ Zeta Σσς Sigma Ηη Eta Ττ Tau Θθ Theta Υυ Upsilon Ιι Iota Φφ Phi Κκ Kappa Χχ Chi Λλ Lambda Ψψ Psi Μμ Mu Ωω Omega
History
Archaic local variants Diacritics Ligatures Numerals ϛ (6) ϟ (90) ϡ (900)
Use in other languages
Bactrian Coptic Albanian
Related topics
Use as scientific symbols
Book Category Commons
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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.^[1] It is also used to represent coefficient of friction, micrometre and muon in physics.^[2]

• Mu (unit of area)

1. ↑ "Greek/Hebrew/Latin-based Symbols in Mathematics". Math Vault. 2020-03-20. Retrieved 2020-10-06.
2. ↑ "Mu Symbol in Greek Alphabet". www.greeksymbols.net. Retrieved 2020-10-06.

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