It's called a hyphen !
Chat with our AI personalities
As for example in the fraction 1/2 the / symbol is the solidus line.
it is the equal sign = with the symbol ~ over it
A straight line with a dot on top of it typically represents a mathematical symbol called a "point." In geometry, a point indicates a specific location in space and has no dimensions, while the line may represent a geometric figure or a concept such as a line segment or ray. In some contexts, this symbol can also denote a vector or a specific type of line in analytical geometry.
Two non-parallel lines in space that do not intersect are called skew lines. The skew line symbol is a short horizontal bar above the two identifying letters.
If you mean the symbol &, it is called an ampersand.