Microsoft Office Tutorials and References
In Depth Information
Using the TRUE and FALSE Functions
Figure 12.6.
Figure 12.6. This formula contains four nested
This formula contains four nested IIF functions.
Using the
Using the TRUE
There are two remaining functions in the logical group, but you should not
need to use either of them. If you encounter a function with either the TRUE
or FALSE function, you can replace the function with the value TRUE or
FALSE. Microsoft added TRUE and FALSE to provide compatibility with oth-
er vendors spreadsheet programs.
A formula such as =IF(OR(A2>5,B2=0),TRUE(),FALSE()) can be rewritten as
=IF(OR(A2>5,B2=0),TRUE,FALSE). If you are trying to return TRUE or FALSE,
you can simply use the Boolean expression: =OR(A2>5,B2=0).
TRUE and
FALSE Functions
Using the
Using the NOT
NOT Function to Simplify the Use of
Function to Simplify the Use of AND
AND and
and OOR
In the language of Boolean logic, there are typically NAND, NOR, and XOR
functions, which stand for Not And, Not Or, and Exclusive Or. To simplify
matters, Excel offers the NOT function.
Quite simply, NOT reverses a logical value. TRUE becomes FALSE, and
FALSE becomes TRUE when processed through a NOT function.
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