Returns the annual nominal interest rate.

## Syntax

NOMINAL(`effective_rate`, `periods`)

## Parameters

`effective_rate`
Numeric. The effective annual interest rate.

`periods`
Numeric. The number of compounding periods per year.

## Output

Numeric. The rate is calculated
to eight decimals places.

## Remarks

You can use this function to determine
the nominal annual interest rate, given the effective rate and the
number of compounding periods per year. For example, if you know
the effective annual rate on your credit card, you can use it to
find rate used to calculate interest monthly.

If the periods
parameter includes decimals, the parameter is truncated to an integer
value, not rounded.

This function is the opposite of EFFECTIVE( ).

## Example

To calculate the nominal annual
rate on a credit card with an effective annual rate of 19.56%:

NOMINAL(0.1956, 12) = 0.17998457

The
nominal annual rate is 18%.