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# IRR Function [VBA]

Calculates the internal rate of return for an investment.

This function or constant is enabled with the statement Option VBASupport 1 placed before the executable program code in a module.

## Syntax:

    IRR(Values() as Double , [Guess as Variant])

## Return value:

Double

## Parameters:

Values(): The array of values of the cash-flow. The values represent cash flow values at regular intervals, at least one value must be negative (payments), and at least one value must be positive (income).

Guess An initial estimate at what the IRR will be.

## Error codes:

5 Invalid procedure call

## Example:

    REM ***** BASIC *****
    Option VBASupport 1
    Sub ExampleIRR
     Dim cashFlow(0 to 3) As Double
     cashFlow(0) = -10000
     cashFlow(1) = 3500
     cashFlow(2) = 7600
     cashFlow(3) = 1000
     irrValue = IRR(cashFlow) * 100
     Print irrValue ' returns 11.3321028236252 . The internal rate of return of the cash flow.
    End Sub

সংশ্লিষ্ট প্রসঙ্গ

IRR function in CALC

VBA financial functions