Not function

Reverses the value of its argument. Use NOT when you want to make sure a value is not equal to one particular value.

Syntax

NOT(logical)

Logical     is a value or expression that can be evaluated to TRUE or FALSE.

Remark

If logical is FALSE, NOT returns Yes; if logical is TRUE, NOT returns No.

Examples

Formula	Description (Result)
=NOT(FALSE)	Reverses FALSE (Yes)
=NOT(1+1=2)	Reverses an equation that evaluates to TRUE (No)