HTML Special Character Chart: Math Symbols
Most standard keyboard characters are widely supported by web browsers, but characters for math formulae may require one of the special character codes.
| Symbols and Characters (Added in HTML 3.2)* |
| Character |
No. Code |
Name Code |
| ± |
plus or minus |
± |
± |
| ¼ |
fraction one-fourth |
¼ |
¼ |
| ½ |
fraction one-half |
½ |
½ |
| ¾ |
fraction three-fourths |
¾ |
¾ |
| Other Commonly-Supported Characters |
| + |
plus sign |
+ |
|
| < |
less than |
< |
< |
| = |
equals |
= |
|
| > |
greater than |
> |
> |
| × |
multiplication |
× |
× |
| ÷ |
division |
÷ |
÷ |
|
|
| Supplementary Characters** |
| Character |
No. Code |
Name Code |
| √ |
radical |
√ |
√ |
| ∞ |
infinity |
∞ |
∞ |
| ∫ |
integral |
∫ |
∫ |
| ∂ |
partial differential |
∂ |
∂ |
| ≠ |
not equal |
≠ |
≠ |
| ≤ |
less than or equal to |
≤ |
≤ |
| ≥ |
greater than or equal to |
≥ |
≥ |
| ∑ |
summation |
Σ |
∑ |
|
*Fractions are not supported by earlier Mac browsers because of variations in the Mac coding system.
**These characters and many others such as pi (π) are from supplementary character sets and have not been fully incorporated into HTML character sets supported by browsers.
|
Sul Ross State University