Asterisk Operator
Part of Math Symbols
Asterisk Operator has no standard Windows Alt code. Copy the character directly, or use its HTML entity or Unicode value instead.
- Alt code
- None
- HTML entity
- ∗
- Unicode
- U+2217
About this symbol
∗, the asterisk operator, is the sign for convolution, f ∗ g, a way of blending two functions that blurs images and filters sounds. It is a separate character from the keyboard asterisk *, which sits higher.
Unicode facts
- Official name
- ASTERISK OPERATOR
- Type
- Maths symbol
- Unicode block
- Mathematical Operators
- Unicode group
- Operators
- Added in
- Unicode 1.1 (1993)
- Unicode notes
- May be used to represent the telephony asterisk seen on keypads
Click the symbol or any value at the top of the page to copy it. See the full Math Symbols chart for related characters.