Bracket Symbols
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Bracket Symbols
This is a list of the most common bracket symbols:
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 |