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EFFECT
See Also
Returns the effective annual interest rate, given the nominal annual interest rate and the number of compounding periods per year.
If this function is not available, and returns the #NAME? error, install and load the Analysis ToolPak add-in.
How?
- On the Tools menu, click Add-Ins.
- In the Add-Ins available list, select the Analysis ToolPak box, and then click OK.
- If necessary, follow the instructions in the setup program.
Syntax
EFFECT(nominal_rate,npery)
Nominal_rate is the nominal interest rate.
Npery is the number of compounding periods per year.
Remarks
- Npery is truncated to an integer.
- If either argument is nonnumeric, EFFECT returns the #VALUE! error value.
- If nominal_rate ≤ 0 or if npery < 1, EFFECT returns the #NUM! error value.
- EFFECT is calculated as follows:
![Equation](../img/awfefect.gif)
Example
The example may be easier to understand if you copy it to a blank worksheet.
How?
- Create a blank workbook or worksheet.
- Select the example in the Help topic. Do not select the row or column headers.
![Selecting an example from Help](../img/selecthelp.gif)
Selecting an example from Help
- Press CTRL+C.
- In the worksheet, select cell A1, and press CTRL+V.
- To switch between viewing the results and viewing the formulas that return the results, press CTRL+` (grave accent), or on the Tools menu, point to Formula Auditing, and then click Formula Auditing Mode.
|
A |
B |
Data |
Description |
5.25% |
Nominal interest rate |
4 |
Number of compounding periods per year |
Formula |
Description (Result) |
=EFFECT(A2,A3) |
Effective interest rate with the terms above (0.053543 or 5.3543 percent) |
|