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List of all math symbols and meaning - equality, inequality, parentheses, plus, minus, times, division, power, square root, percent, per mille,...
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A mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula.
In short: $$:=$$ is the most widespread (presumably as it's the easiest to typeset) "by definition" symbol . Other symbols used to denote a definition include $$\stackrel{\triangle}= \quad , \stackrel{\text{def}}= \quad, \stackrel{\cdot}= \quad .$$
This leaflet provides information on symbols and notation commonly used in mathematics. It is designed to enable further information to be found from resources in mathcentre (www.mathcentre.ac.uk). In the table below, the symbol or notation is given in column one.
Math symbols are concise marks or signs representing mathematical operations, quantities, relations, and functions. Explore lists, meanings, examples, and more.
The list below has some of the most common symbols in mathematics. However, these symbols can have other meanings in different contexts other than math.
A comprehensive collection of 200+ symbols used in the various subfields of mathematics, as categorized by their functions, types and subjects.
