How can i goal seek on several sheets from 1 macro - pls correct macro
below which is not doing the work thxs

Sub Goalseekall()

Dim WS As Worksheet
Dim MinIndex As Long
Dim MaxIndex As Long
Dim RngToCopy As Range

ActiveWorkbook.PrecisionAsDisplayed = False
Application.ScreenUpdating = False 'Prevents the user from seeing
the screen
MinIndex = Worksheets("Pivot").Index
MaxIndex = Worksheets("End").Index

If MinIndex MaxIndex Then
'swap them
MinIndex = MaxIndex
MaxIndex = Worksheets("Pivot").Index
End If

For Each WS In ActiveWorkbook.Worksheets
With WS
If .Index MinIndex _
And .Index < MaxIndex Then
'do the work


Range("Y84").Goalseek Goal:=Range("AL84"), ChangingCell:=Range("Y50")
Range("Y85").Select
Range("Y85").Goalseek Goal:=Range("AL85"), ChangingCell:=Range("Y51")
Range("Y86").Select
Range("Y86").Goalseek Goal:=Range("AL86"), ChangingCell:=Range("Y52")

End If
End With

Next WS

End Sub