Math special characters
Mathematical operators and notation — plus-minus, infinity, square root, sums, integrals and set symbols.
Math
20Math character reference
Every math character below, with its Unicode code point and — where one exists — the Windows Alt code you can type on the numeric keypad.
- ± — plus-minus, U+00B1, Alt+0177
- × — times, U+00D7, Alt+0215
- ÷ — divide, U+00F7, Alt+0247
- ≠ — not equal, U+2260
- ≈ — approx, U+2248
- ≤ — less-equal, U+2264
- ≥ — greater-equal, U+2265
- ∞ — infinity, U+221E
- √ — root, U+221A
- ∑ — sum, U+2211
- ∏ — product, U+220F
- ∫ — integral, U+222B
- ∂ — partial, U+2202
- ∆ — delta, U+2206
- π — pi, U+03C0
- µ — micro, U+00B5, Alt+0181
- ° — degree, U+00B0, Alt+0176
- ∅ — empty set, U+2205
- ∈ — element of, U+2208
- ∴ — therefore, U+2234
Other categories
- Currency special characters
- Fractions special characters
- Arrows special characters
- Punctuation special characters
- Brackets special characters
- Accented special characters
- Greek special characters
- Japanese special characters
- Korean special characters
- Stars special characters
- Chess & Cards special characters
- Symbols special characters
- Smileys & Emotion emoji
- People & Body emoji
- Animals & Nature emoji
- Food & Drink emoji
- Travel & Places emoji
- Activities emoji
- Objects emoji
- Symbols emoji
- Flags emoji
- Emoji special characters