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# How to use offset in horizontal sum

Posted on 2014-01-17
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I have a spread sheet where I am summing the values horizontally by setting cell AC 21 to
=SUM(A21,D21,G21,J21,M21,P21,S21) .  I am
When I add a new line, I want to be able to copy the formula down - in effect setting cell
AC22 to =SUM(A22,D22,G22,J22,M22,P22,S22)

I have used the offset method when I wanted to sum cell values vertically
=SUM(A8:OFFSET(A23,-1,0)), however I'm not sure how to do it horizontally, particularly when the cells to be added are not contiquous
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Question by:chtullu135
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LVL 43

Expert Comment

ID: 39788992
A simple copy from ac21 to ac22 should do this. Why do you want to use offset?
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Author Comment

ID: 39789022
I am adding the row via code.  It is a timesheet application where the date are along a horizontal access and where users can make multiple entries for a date.  There is a button on the form that allows user to add a new line to the timesheet.  However, the new row has to be summed horizontally. I think I am probably being confused by my previous use of offset to vertical summing when new rows are being added.  I think what I need to do is copy the formula via vba to the new line.  The user does not want to have to copy the formula down himself
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Author Comment

ID: 39789061
I figured it out, I used a copy and paste via vba to insert the formula into the new line
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LVL 43

Accepted Solution

Saqib Husain, Syed earned 500 total points
ID: 39790208
A better approach is to use RC type addresses. So it would be something like

.formular1c1 = "=sum(rc1,rc4,rc7,rc10,rc13,rc16,rc19)"
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Author Closing Comment

ID: 39826941
I apologize for the delay.  Thanks for the tip on using the RC type addresses
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