Identical To or Equivalent Symbol (≡)
Identical To or Equivalent Symbol
The triple-bar relation can express identity, equivalence, congruence, or a definition depending on context.
Codes for ≡
| Unicode | |
|---|---|
| HTML entity | |
| HTML decimal | |
| HTML hexadecimal | |
| CSS escape | |
| JavaScript |
How to Type ≡ on Windows and Word
For the most reliable Windows method, copy the symbol from this page. In Microsoft Word, type 2261 and press Alt+X. Word converts the hexadecimal Unicode value into ≡. Press Alt+X again to switch the symbol back to its code.
How to Type ≡ on Mac, Chromebook, and Linux
On a Mac, open Character Viewer with Control+Command+Space, search for “Identical To or Equivalent Symbol”, and insert it. Chromebook users can copy the symbol or use the Unicode input method where supported. On Linux, press Ctrl+Shift+U, type 2261, and press Enter.
Examples and Correct Usage
Because conventions vary, explain the intended meaning when readers may not know the field-specific notation.
Use the actual Unicode character rather than a visually similar keyboard substitute when the distinction matters in mathematics, science, accessibility, searching, or data processing.