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Excel/macro to record sequence of numbers

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Question
Hi Tom

Is it possible to write a macro that would do the following?:

Today, in C3 I put in 10
c3:  10

tomorrow in C3 I put in 15 and you want to see 25 in “Sheet2 C3”

Thanks in advance

Chris Mitchell

Answer
C. Mitchell,

Right click on the sheet tab where you want this functionality and put in this code

I recall you had a range of cells where you wanted this behavior - I don't remember the exact last row so I put in C20.  Change that to represent the range where you want this behavior.

Private Sub Worksheet_Change(ByVal Target As Range)
Dim r As Range, v, v1, v2
Set r = Range("C3:C20")
If Target.Count > 1 Then Exit Sub
If Intersect(Target, r) Is Nothing Then Exit Sub
v = Target.Value
If IsNumeric(v) Then
 Application.EnableEvents = False
 On Error GoTo ErrHandler
 Application.Undo
 v1 = Target.Value
 If IsNumeric(v1) Then
    v2 = v + v1
 Else
    v2 = v
 End If
 Target.Value = v2
End If
ErrHandler:
Application.EnableEvents = True

End Sub

Lightly tested, but worked for me.

--
Regards,
Tom Ogilvy  
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Tom Ogilvy

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Selected as an Excel MVP by Microsoft since 1999. Answering Excel questions in Allexperts since its inception in 2001. Able to answer questions on almost all aspects of Excel's internal capabilities. If seeking a VBA solution, please specify that in your question itself so I give you the answer you want. [Excel has weak protection - if you are distributing an application, I don't answer questions on how to protect your project from your users.]

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Master of Science (MS) degree Operations Research (ORSA)

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Microsoft MVP in Excel.

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