The * (asterisk) symbol has a variety of uses in mathematics. One of the most common is to denote multiplication on a calculator. For example:
2 * 3 = 6
In this case, the ‘*’ symbol indicates that the numbers 2 and 3 are being multiplied together.
The asterisk symbol is also used to represent the convolution operation.
The times symbol represents the cross product operator. It is also common for the symbol to represent multiplication when it is first introduced.
When entering an expression in a computer multiplication is represented using the asterisk symbol.