Partial Differential Symbol (∂)
Partial Differential Symbol
The partial differential symbol marks a derivative with respect to one variable while other variables are held constant.
Codes for ∂
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How to Type ∂ on Windows and Word
For the most reliable Windows method, copy the symbol from this page. In Microsoft Word, type 2202 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 “Partial Differential 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 2202, and press Enter.
Examples and Correct Usage
Use ∂ rather than a lowercase d when writing partial derivatives such as ∂f/∂x.
Use the actual Unicode character rather than a visually similar keyboard substitute when the distinction matters in mathematics, science, accessibility, searching, or data processing.