Β
Symbol  Format  Data 

Β  Code Point 
U+0392 
TeX 
\Beta 

SVG 
The capital Greek letter (capital beta) is visually very similar to the Latin capital letter B. For that reason, refer to the usage of Capital B for how the symbol appears in math.
The Greek letter beta (β). In mathematics and science, it is often used to denote a variable or a parameter, such as an angle or the beta coefficient in regression analysis.
The capital Latin letter B is used in probability as a random variable.