Bracket Symbols

Mathematics Symbols

• See Algebra Symbols / Angle and Line Symbols / Basic Math Symbols / Equivalence Symbols / Geometry Symbols / Greek Alphabet / Miscellaneous Symbols / Roman Numerals / Set Symbols / Square Root Symbols

 

Mathematics Terms

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Nomenclature & Symbols for Engineering, Mathematics, and Science

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Postulates and theorems

• See Geometry Postulates
• See Geometry Theorems

 

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