## Using the IF formula for logical functions

As with Excel's IF function, Google Spreadsheet IF function allows you to use decision making in a worksheet. The IF function tests to see if a certain condition in a cell is true or false.

• If the condition is true, the function will carry out one operation;
• If the condition is false, the function will carry out a different operation.

The initial true or false test, as well as the follow up operations, are all set with the function's arguments.

In addition, multiple IF functions can be nested inside of each other to test multiple conditions and to carry out multiple operations depending on the outcome of the tests.

### The IF Function's Syntax and Arguments

A function's syntax refers to the layout of the function and includes the function's name, brackets, comma separators, and arguments.

The syntax for the IF function is:

=if ( test, then_true, otherwise_value )

The function's three arguments are:

• test - (required) a value or expression that is tested to see if it is true or false;
• then_true - (required) the operation that is carried out if the test is true;
• otherwise_value - (optional) the operation that is carried out if the test is false.

Note: When entering the IF function, the three arguments are separated by commas ( , ).

As shown in the image above, the IF function is used to return various results such as:

=if(A2=200,1,2)

shown in row 3 of the example.

What this example does is:

• test to see if the value in cell A2 is equal to 200.
• If it does, the function displays the value 1 in cell B3.
• If A1 does not equal to 200, the function displays the value 1 in cell B3.

### Entering the IF Function

Google Spreadsheets does not use dialog boxes to enter a function's arguments as can be found in Excel.

Instead, it has an auto-suggest box that pops up as the name of the function is typed into a cell.

### Entering the IF Function's Arguments

1. Click on cell B3 to make it the active cell - this is where the results of the IF function will be displayed.
2. Type the equal sign ( = ) followed by the name of the function if.
3. As you type, the auto-suggest box appears with the names of functions that begin with the letter "I".
4. When the name IF appears in the box, click on it to enter the function name and opening parenthesis or round bracket into cell B3.
5. Click on cell A2 in the worksheet to enter that cell reference.
6. After the cell reference, type the equal symbol ( = ) followed by the number 200.
7. Enter a comma to complete the test argument.
8. Type 2 followed by a comma to enter this number as the then_true argument.
9. Type 1 to enter this number as the otherwise_value argument - do not enter a comma.
10. Complete the function's arguments.
11. Press the Enter key on the keyboard to insert a closing parenthesis ) and to complete the function.
12. The value 1 should appear in cell A2, since the value in A2 does not equal 200.
13. If you click on cell B3, the complete function =if(A2=200,1,2) appears in the formula bar above the worksheet.
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