Bracket Symbols
- This is a list of the most common bracket symbols.
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| Symbol | Definition | Example |
|---|
| \(\left(\; \right)\) |
parentheses, calculate expression inside first |
\( 5\times \left(5+4\right) = 45\) |
| \(\left[\; \right]\) |
brackets, calculate expression inside first |
\( \left[ \left(5+4\right) \times \left(9+4\right) \right] = 117\) |
| \(\{ \; \}\) |
set, a collection |
\(a = {4, 5, 9 } \) |
| \(\lfloor a \rfloor\) |
rounds number to lower integer |
\(\lfloor 5.4 \rfloor = 5\) |
| \(\lceil a \rceil\) |
rounds number to upper integer |
\(\lceil 5.4 \rceil = 6\) |
| \(\left | a \right |\) |
absolute value |
\(\left | -5 \right | = 5 \) |
| \(\left \| x \right \|\) |
normal |
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