Question

Adding alternate cells

Asked by: davekatya

I need to add alternate cells using Excel 2002.

eg. SUM(C6,E6,G6,I6,K6,M6.................) until the end of my daily expanding spreadsheet.

There must be a simple formula out there to do this!

Urgent answer needed....Thanks

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Asked On
2004-04-23 at 02:49:44ID20964767
Tags

alternate

,

adding

,

sum

,

cells

Topic

Microsoft Excel Spreadsheet Software

Participating Experts
2
Points
500
Comments
6

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Answers

 

by: CSLARSENPosted on 2004-04-23 at 03:45:13ID: 10898046

Hi davekatya

Make a help calculation in a separate row, use this formula
=FLOOR(COLUMN()/ODD(COLUMN()),1)

The formula will result in either 1 or 0 depending on which column it is.

Now you can use the SUMPRODUCT formula to sum you data and it will always only take every second column.

in this example I have placed my help calculation in row 2, and I sum the data in row 3.

=SUMPRODUKT(C2:IV2;C3:IV3)

let me know if you need more.  :-)
rgds
cslarsen

 

by: aflockhartPosted on 2004-04-23 at 03:49:18ID: 10898079


=SUM(IF(ROW(A1:A65535)/2=INT(ROW(A1:A65535)/2),A1:A65535,0))

Enter as an array formula (  ctrl+shift+enter ) and put a comment in the cell to remind you to use ctrl+shift+enter every time you edit it !

 

by: aflockhartPosted on 2004-04-23 at 03:51:00ID: 10898091

Sorry just noticed you are using columns not rows.  So use COLUMN instead of ROW above.  If you want ODD columns, use <> rather than =

 

by: aflockhartPosted on 2004-04-23 at 03:52:44ID: 10898104

Also if you are "daily expanding" you are going to run out of space in approx 250 days (column IV) ! Going down the sheet gives you 65535 rows to play with !

 

by: davekatyaPosted on 2004-04-23 at 09:22:22ID: 10901362

I've tried both ways:

1. cslarsen: works with a comma not a semi-colon: =SUMPRODUCT(C2:IV2,C3:IV3)

2. aflockhart: have played around and can't get it to work immediately - but if I had more time I'm sure it would work

Therefore accepting cslarsen's answer...

 

by: aflockhartPosted on 2004-04-23 at 09:29:22ID: 10901456

Glad you got it working

Comma/semicolon is just an internationalisation difference (CSLARSEN is using a different language version)

20120131-EE-VQP-002

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