Terminology: Mathematical symbols
Summary of the common mathematical symbols, including each symbol’s name, visual and description:
| Symbol | Symbol name | Symbol design description | 
|---|---|---|
- | Minus | |
+ | Plus | |
× | Multiply | Similar to lowercase letter "x" in sans serif. | 
÷ | Obelus, Divide | Combined colon and minus symbols. | 
= | Equal | Two parallel horizontal lines. | 
≠ | Not equal | Two parallel horizontal lines with a diagonal line through both. | 
≈ | Approximately equal | Two wavy parallel lines. | 
± | Plus or minus | |
< | Greater than | |
> | Less than | |
≤ | Less than or equal to | |
≥ | Greater than or equal to | |
∞ | Infinity | |
· | Middot or period centred | Traditional English decimal point which is raised. | 
% | Percent | Per hundred. | 
‰ | Permille | Per thousand. | 
‱ | Permyriad | Also known as a basis point. | 
⅛ | Fraction | One eighth. | 
¼ | Fraction | One quarter. | 
⅜ | Fraction | Three eighths. | 
½ | Fraction | One half. | 
⅝ | Fraction | Five eighths. | 
¾ | Fraction | Three quarters. | 
¾ | Fraction | Three quarters. | 
⅞ | Fraction | Seven eighths. | 
⁄ | Fraction | Slash. | 
∑ | Sum | |
∏ | Product | |
∫ | Integral | |
∂ | Partial differential | |
∆ | Increment | |
√ | Square root | |
∩ | Intersection | |
 | Function | |
π | Pi | |
⌀ | Diameter | Bar extending diagonally through a circle. | 
℘ | Weierstrass' elliptic function | Stylised letter "p". | 
