Reverses the logical value of its argument.
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NOT(logical)The NOT function returns TRUE if the argument is FALSE, and FALSE if the argument is TRUE. It is typically used to invert the result of another logical test within a formula.
=NOT(TRUE)النتيجة: FALSE
Returns FALSE because the input is TRUE.
=NOT(10>20)النتيجة: TRUE
The expression 10>20 is FALSE, so NOT reverses it to TRUE.
Excel treats 0 as FALSE and any non-zero number as TRUE.