Star Operator Symbol

A symbol from the Star Symbols collection. Click the symbol or the button below to copy.

Symbol: ⋆
Unicode: U+22C6
HTML entity: ⋆
Category: Star Symbols

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13 of 44 in the star symbols collection

About the star operator symbol

The star operator is a typographic star symbol used in mathematics to denote various binary operations, such as convolution, or to indicate a specialized multiplication-like operation in algebraic structures. It is also employed in computer science and formal logic to represent the Kleene star, which signifies zero or more repetitions of a given pattern.

This symbol appears primarily in mathematical notation and technical writing, often in textbooks, academic papers, and programming language syntax. It is distinct from the more common asterisk and is typically drawn with a small, five-pointed star shape.

How to type Star Operator

Native keyboard shortcuts for each operating system — derived from the codepoint, so the steps below are always accurate.

Windows

2 options

In Word / Outlook: type 22C6 then press Alt + X.
Anywhere: press Win + . to open the emoji & symbol picker, then search.

macOS

2 options

Enable “Unicode Hex Input” in System Settings → Keyboard, then hold Option and type 22C6.
Or: Control + Command + Space opens the Character Viewer — search by name.