Complete reference of mathematical symbols.
| Symbol | Name | Meaning |
|---|---|---|
| + | Plus | Addition |
| − | Minus | Subtraction |
| × | Times | Multiplication |
| ÷ | Division | Division |
| = | Equals | Equality |
| ≠ | Not equal | Inequality |
| ≈ | Approximately | Approximation |
| < | Less than | |
| > | Greater than | |
| ≤ | Less or equal | |
| ≥ | Greater or equal | |
| ± | Plus-minus | |
| ∞ | Infinity | |
| √ | Square root | |
| ∑ | Summation | Sum |
| ∏ | Product | Product |
| ∫ | Integral | |
| ∂ | Partial | Partial derivative |
| ∆ | Delta | Change |
| π | Pi | 3.14159... |
| ∈ | Element of | Set membership |
| ∉ | Not element of | |
| ⊂ | Subset | |
| ∪ | Union | |
| ∩ | Intersection | |
| ∀ | For all | Universal |
| ∃ | There exists | Existential |
| ∴ | Therefore | |
| ∵ | Because | |
| ⊥ | Perpendicular | |
| ∠ | Angle | |
| ° | Degree | |
| % | Percent |