what is if function in excel

 what is if function in excel

The IF function in Excel is a logical function that allows users to perform a conditional test on a value and return one of two values based on whether the test is true or false. The basic syntax of the IF function is:

=IF(logical_test, value_if_true, value_if_false)

Here's a breakdown of each argument:

logical_test: This is the condition that is being tested. It can be any logical expression that evaluates to either TRUE or FALSE.

value_if_true: This is the value that is returned if the logical test is TRUE.

value_if_false: This is the value that is returned if the logical test is FALSE.

For example, let's say we have a spreadsheet with the following data:

Name	Age
John	25
Jane	30
Bob	18

If we wanted to create a formula that returns "Adult" if a person is over 18 years old and "Minor" if they are not, we could use the following IF function:

=IF(B2>18, "Adult", "Minor")

This formula checks if the value in cell B2 (which is John's age) is greater than 18. If it is, the formula returns "Adult". If it's not, the formula returns "Minor". We can then copy this formula down to the other rows to apply the same logic to the other age values.

The IF function can also be nested to create more complex conditions. For example, we could create a formula that returns "Good" if a person is over 18 and their age is an even number, and "Bad" otherwise:

=IF(B2>18, IF(MOD(B2,2)=0, "Good", "Bad"), "")

This formula first checks if the person is over 18 using the outer IF function. If they are, it then checks if their age is even using the nested IF and MOD functions. If both conditions are true, the formula returns "Good". If either condition is false, it returns "Bad".

In summary, the IF function in Excel is a logical function that allows users to perform a conditional test on a value and return one of two values based on whether the test is true or false. The IF function can be nested to create more complex conditions.

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