Private Sub Worksheet_Change(ByVal Target As Range)
Const WS_RANGE As String = "D2" '<== change to suit

On Error GoTo ws_exit
Application.EnableEvents = False

If Not Intersect(Target, Me.Range(WS_RANGE)) Is Nothing Then
With Target
Range("B5") = Range("B5") - .Value
.Value = ""
End With
End If

ws_exit:
Application.EnableEvents = True
End Sub

"H. Singh" wrote:

How can I reduce the value in a cell by certain number which I enter in
another cell.
eg: operator enters value 3 in cell D2 and press enter - I want the value
say 55 in cell B5 to be reduced by 3 and have 3 from D2 to be cleared and 55
becomes 52 in B5.

--
H. Singh