Not Equal Symbol

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In math, the “not-equal” symbol (≠) is used to indicate that two values or expressions are not equal to each other. The not-equal symbol is the counterpart to the equal symbol (=), which is used to show that two values or expressions are equal. Typically, the symbol is used in an expression like this:

In plain language, this expression means that the value of is not equal to the value of .



The equals symbol or equal sign is used in mathematics to assert that two expressions have the same value. It is also used in boolean logic as an operator, evaluating true or false based on the two input expressions.