⊗

Math Operator 148

Unicode
U+2297
Category
Math
HTML Entity
⊗
CSS
\2297
The Circled Times symbol (⊗) primarily represents the tensor product in mathematics, particularly in linear algebra and quantum mechanics. Visually consisting of a multiplication sign enclosed within a circle, it is also frequently used in electrical engineering schematics to denote a lightbulb or lamp. In digital logic and computer science, this glyph occasionally represents the exclusive or (XOR) operation or the convolution of two functions.

How to Type

Windows
Alt + 8855
macOS
Control + Command + Space then search 'circled times'
Linux
Compose + o + x
HTML
⊗

In Programming

In LaTeX and technical documentation, the \otimes command is widely used to format tensor products and quantum entanglement states. While rarely built into mainstream programming syntax, data science and math libraries often use it conceptually in documentation to denote Kronecker products or matrix operations.

Read full meaning article

Tags

Kronecker product XOR circled times circuit diagram convolution electrical engineering exclusive or kronecker lightbulb symbol linear algebra mathematics multiplication quantum mechanics tensor product

Related Symbols

± Plus Minus Sign × Multiplication Sign ÷ Division Sign ≠ Not Equal To ≈ Approximately Equal To ∞ Infinity √ Square Root ∑ Summation ∫ Integral π Pi ≤ Less Than or Equal To ≥ Greater Than or Equal To