⋅
Symbol  Format  Data 

⋅  Code Point 
U+22C5 
TeX 
\cdot 

SVG 
The dot operator symbol is used in math to represent multiplication and, in the context of linear algebra, as the dot product operator. Typically, the symbol is used in an expression like this:
In plain language, this expression means three multiplied by five.
Circled dot symbol.
Multiplication is a basic arithmetic operation performed on two numbers. Multiplying a number by another number is the same as taking n groups of the other number.
The dot product, also known as the scalar product, takes two vectors and returns a scalar. It measures the extent to which one vector goes in the direction of another.