excel formula to sum only visible columns or rows

Is there a formula that would sum only the visible columns or rows in an excel spreadsheet.  I have the numbers 4 in A1 2 in B1 3 in C1 and 1 in D1 I hide columns A and D the answer in E1 should be 5. If I unhide column A the answer in E1 would change to 9.  I realize the formula would be somewhat the same for rows.
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vboukharConnect With a Mentor Commented:
Hi cains,

You can use user-defined function.
Press Alt-F11 (open VBA editor), add module and copy-paste next code:
Public Function SumVisible(a As Range) As Double
    Dim c As Range
    Dim value As Double
    value = 0
    For Each c In a
        If c.EntireColumn.Hidden = False And c.EntireRow.Hidden = False Then
            If IsNumeric(c.value) = True Then
                value = value + c.value
            End If
        End If
    SumVisible = value
End Function

after that on your sheet you can use this function:

Hope it hepls
cainsAuthor Commented:
Okay that works but...with the formula (had to take out the " ")there it sums the row until I hide 1 column and to update the answer if have to delete the formula and paste it back in again.  Tried recalculate after hiding the column but no luck.  This is in excel 2000 if that helps.  What I need is for the formula to recalculate when I hide another column,  Is that possible?

Would it be too much trouble to use an extra row?

1. Enter numbers in A1:E1
2. Enter this formula in A2: =CELL("width",A1)
3. Copy the formula from A2 all the way to E2.
4. Use this formula in F1:
   It's an array formula so you must press Ctrl+Shift+Enter afterwards.


Unfortunately, the formula isn't recalculated automatically when you hide/unhide columns. It will recalculate when you type anything to the sheet or if you press F9 (the "calculate now!" button)

Ture Magnusson
Karlstad, Sweden
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If you add the line (to vboukhar' s function)


right after the lines

Public Function SumVisible(a As Range) As Double
   Dim c As Range
   Dim value As Double
that should take care of the problem. This causes it to recaculate automatically.
cainsAuthor Commented:
ture nope can't add row or column.  Thanks Anyhu
blakeh1 that works if I press F9 but I'm still hopeing it will recalculate automatically.
Thanks so far tho
IF you hide *rows* by filtering, then you could use the SUBTOTAL function_num 9. For details see Excel help.

As for VBouhkAr's macro, I would pass the summands/sumrange as ranges to the function and not as string, otherwise inserting a row/colum 'above them" will foul up the function call.

cainsAuthor Commented:
Cri due to the structure of the spreadsheet I'm not able to use a filter, mind you not from the lack of trying to.  I am using vbouhkar's solution along with blakeh1's suggestion and simply added a macro button for the refresh command.  So how do we awards points for 2 answers?
Ps good to hear from you agin CRI
cainsAuthor Commented:
vboukhar best answered the question from my perspective anyway so I'm awarding the points him er her.  Thanks also for your comments blake1 and cri
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