Beta - Wikipedia
https://en.wikipedia.org/wiki/BetaBeta is the second letter of the Greek alphabet. In the system of Greek numerals, it has a value of 2. In Ancient Greek, beta represented the voiced bilabial plosive IPA: [b]. In Modern Greek, it represents the voiced labiodental fricative IPA: [v] (while IPA: [b] in foreign words is instead commonly transcribed as μπ). Letters that arose from beta include the Roman letter ⟨B⟩ and the Cyrillic letters ⟨Б⟩ and ⟨В⟩.
Beta Symbol (β)
wumbo.net › symbols › betaThe Greek letter β (beta) is used in math as a variable and coefficient. Related Greek Capital Letter Beta | Symbol The capital Greek letter (Β). Links Variable A variable is a core concept in algebra where a symbol, usualy a lower case latin letter, is used as a placeholder in a math expression.