12.1: Table of Symbols
- Page ID
- 49417
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| \(( )\) | Parentheses (grouping symbols) |
| \([ ]\) | Brackets (grouping symbols) |
| \(\{ \}\) | Braces (grouping symbols) |
| \(=\) | equal |
| \(\not = \) | not equal to |
| \(\approx\) | approximately equal to |
| \(>\) | greater than |
| \(<\) | less than |
| \(≥\) | greater than or equal to |
| \(≤\) | less than or equal to |
| \(x\) | variable or constant |
| \(-x\) | negative of \(x\) (opposite of \(x\)) |
| \(|x|\) | absolute value of \(x\) |
| \(\dfrac{1}{x}\) | reciprocal of \(x\) |
| \((a, b)\) | ordered pair with component \(a\) and second component \(b\) |
| \(\pi\) | the irrational number pi, often approximated by \(3.14\) |
| \(\sqrt{a}\) | the principal square root of \(a\) |
| \(-\sqrt{a}\) | the secondary square root of \(a\) |