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SYD Function 

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Returns a Double specifying the sum-of-years digits depreciation of an asset for a specified period.

Function SYD( _
   ByVal Cost As Double, _
   ByVal Salvage As Double, _
   ByVal Life As Double, _
   ByVal Period As Double _
) As Double

Parameters

  • Cost
    Required. Double specifying the initial cost of the asset.
  • Salvage
    Required. Double specifying the value of the asset at the end of its useful life.
  • Life
    Required. Double specifying the length of the useful life of the asset.
  • Period
    Required. Double specifying the period for which asset depreciation is calculated.

Exceptions

Exception type Error number Condition

ArgumentException

5

Salvage < 0, Period > Life, or Period <=0.

See the "Error number" column if you are upgrading Visual Basic 6.0 applications that use unstructured error handling. (You can compare the error number against the Number Property (Err Object).) However, when possible, you should consider replacing such error control with Structured Exception Handling Overview for Visual Basic.

Remarks

The Life and Period arguments must be expressed in the same units. For example, if Life is given in months, Period must also be given in months. All arguments must be positive numbers.

Example

This example uses the SYD function to return the depreciation of an asset for a specified period given the asset's initial cost (InitCost), the salvage value at the end of the asset's useful life (SalvageVal), and the total life of the asset in years (LifeTime).

Dim InitCost, SalvageVal, LifeTime, DepYear As Double
Dim Fmt As String = "###,##0.00"

InitCost = CDbl(InputBox("What's the initial cost of the asset?"))
SalvageVal = CDbl(InputBox("Enter the asset's value at end of its life."))
LifeTime = CDbl(InputBox("What's the asset's useful life in years?"))

' Use the SLN function to calculate the deprecation per year.
Dim SlnDepr As Double = SLN(InitCost, SalvageVal, LifeTime)
Dim msg As String = "The depreciation per year: " & Format(SlnDepr, Fmt)
msg &= vbCrLf & "Year" & vbTab & "Linear" & vbTab & "Doubling" & vbCrLf

' Use the SYD and DDB functions to calculate the deprecation for each year.
For DepYear = 1 To LifeTime
    msg &= DepYear & vbTab & _
        Format(SYD(InitCost, SalvageVal, LifeTime, DepYear), Fmt) & vbTab & _
        Format(DDB(InitCost, SalvageVal, LifeTime, DepYear), Fmt) & vbCrLf
Next
MsgBox(msg)

Requirements

Namespace: Microsoft.VisualBasic

Module: Financial

Assembly: Visual Basic Runtime Library (in Microsoft.VisualBasic.dll)

See Also

Reference

DDB Function
SLN Function
Financial Summary
ArgumentException