∗

Asterisk Operator Symbol (∗)

Copy the Asterisk Operator symbol ∗ to your clipboard, and see its Unicode code point, HTML entity, LaTeX command and how to type it on any device.

What does ∗ mean?

The asterisk operator ∗ denotes convolution (f ∗ g) and other binary operations in mathematics. Its official Unicode name is ASTERISK OPERATOR.

Codes and properties

Character∗
Unicode nameASTERISK OPERATOR
Code pointU+2217
Decimal8727
Unicode blockMathematical Operators
HTML entity∗ · ∗ · ∗
CSS\2217
JavaScript / JSON\u2217
Python\u2217 or \N{ASTERISK OPERATOR}
UTF-8 bytesE2 88 97
LaTeX\ast

How to type ∗

  • Copy & paste: press the Copy button above, then paste ∗ anywhere — Word, Google Docs, email, chat or code.
  • Windows (Word, WordPad, Outlook): type 2217 then press Alt+X. In any app, Win+. opens the symbol panel.
  • Mac (any symbol): switch to the Unicode Hex Input keyboard, hold Option and type 2217; or press Ctrl+Cmd+Space and search “asterisk operator”.
  • Linux (GTK/IBus): press Ctrl+Shift+U, type 2217, then Space.
  • HTML: ∗ renders as ∗.
  • LaTeX: \ast in math mode (amssymb package for some symbols).

Frequently asked questions

How do I type ∗ on Windows?

In Microsoft Word type 2217 and press Alt+X. In any app press Win+. to open the symbol panel, or copy ∗ from this page.

How do I type ∗ on a Mac?

Open the Character Viewer with Ctrl+Cmd+Space and search “asterisk operator”, or switch to Unicode Hex Input and hold Option while typing 2217.

What is the HTML code for ∗?

Use ∗ or ∗ (hex) or ∗ (decimal).

What is the LaTeX command for ∗?

Use \ast in math mode.

Related symbols

∘Composition Operator∖Set Minus∙Bullet Operator∕Division Slash√Square Root∔Dot Plus∛Cube Root∓Minus-or-Plus Sign

Keep exploring

Reference: Unicode code chart: Mathematical Operators (U+2200–U+22FF)