Math special characters
Mathematical operators and notation — plus-minus, infinity, square root, sums, integrals and set symbols.
Math
20Math character reference
To type one of these on Windows, hold Alt and type the Alt code on the numeric keypad. On a Mac, press the shortcut shown. In HTML, paste the entity in place of the character.
| Character | Name | Code point | Windows Alt code | HTML entity | Mac shortcut |
|---|---|---|---|---|---|
| ± | plus-minus | U+00B1 | Alt+0177 | ± | Option+Shift+= |
| × | times | U+00D7 | Alt+0215 | × | — |
| ÷ | divide | U+00F7 | Alt+0247 | ÷ | Option+/ |
| ≠ | not equal | U+2260 | — | ≠ | Option+= |
| ≈ | approx | U+2248 | — | ≈ | Option+X |
| ≤ | less-equal | U+2264 | — | ≤ | Option+, |
| ≥ | greater-equal | U+2265 | — | ≥ | Option+. |
| ∞ | infinity | U+221E | — | ∞ | Option+5 |
| √ | root | U+221A | — | √ | Option+V |
| ∑ | sum | U+2211 | — | ∑ | Option+W |
| ∏ | product | U+220F | — | ∏ | Option+Shift+P |
| ∫ | integral | U+222B | — | ∫ | Option+B |
| ∂ | partial | U+2202 | — | ∂ | Option+D |
| ∆ | delta | U+2206 | — | ∆ | Option+J |
| π | pi | U+03C0 | — | π | Option+P |
| µ | micro | U+00B5 | Alt+0181 | µ | Option+M |
| ° | degree | U+00B0 | Alt+0176 | ° | Option+Shift+8 |
| ∅ | empty set | U+2205 | — | ∅ | — |
| ∈ | element of | U+2208 | — | ∈ | — |
| ∴ | therefore | U+2234 | — | ∴ | — |
Other categories
- Currency special characters
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