# Rate Function [VBA]

Returns the Present Value of an investment resulting from a series of regular payments.

## 语法：

`Rate( NPer as Double, Pmt as Double, PV as Double [FV as Variant], [Due as Variant], [Guess as Variant] )`

Double

## 参数：

NPer is the total number of periods, during which annuity is paid.

Pmt is the regular payment made per period.

PV is the present value of the loan / investment.

FV (optional) is the future value of the loan / investment.

Due (optional) defines whether the payment is due at the beginning or the end of a period.

0 - the payment is due at the end of the period;

1 - the payment is due at the beginning of the period.

Guess(optional) determines the estimated value of the interest with iterative calculation.

5 无效的过程调用

## 示例：

`REM ***** BASIC *****`

`Option VBASupport 1`

`Sub ExampleRate`

`' Calculate the interest rate required to pay off a loan of \$100,000 over`

`' 6 years, with payments of \$1,500, due at the end of each month.`

` Dim mRate As Double`

` mRate = Rate( 72, -1500, 100000 )`

` print mRate' mRate is calculated to be 0.00213778025343334`

`End sub`