sum an array that changes
Hi,
I can't find out how to do this despite searching many posts and I think it should be easy I have a range of numbers forecast for each month eg jan feb march etc pay 5 10 6 NI 2 4 3 Pen 3 3 3 Each month I would like to show the cumulative forecast figure for each line which means the formula changes eg (using the simple table above) in february the formula for pay should be =sum(a2:a3) in March it would be =sum(a2:a4) etc Howe can I do this automatically so that if I had a cell that shows the month I could change the month and that would change the formula so that it picks up the new months data I hope I have explained this well. Thanks in anticipation sum a range of cells |
sum an array that changes
Your display shows values going along a row, across columns, BUT ... your
explanation mentions totaling "Pay" down Column A. Following your display example, with headers in both Column A and Row1, Months from B1 to O1 (text entries), Items from A2 to A(n), Enter the ending month to total in P1, And enter this formula in P2: =SUM(B2:INDEX(B2:O2,MATCH($P$1,B$1:O$1,0))) And copy down as needed. -- HTH, RD --------------------------------------------------------------------------- Please keep all correspondence within the NewsGroup, so all may benefit ! --------------------------------------------------------------------------- "Michael" wrote in message ... Hi, I can't find out how to do this despite searching many posts and I think it should be easy I have a range of numbers forecast for each month eg jan feb march etc pay 5 10 6 NI 2 4 3 Pen 3 3 3 Each month I would like to show the cumulative forecast figure for each line which means the formula changes eg (using the simple table above) in february the formula for pay should be =sum(a2:a3) in March it would be =sum(a2:a4) etc Howe can I do this automatically so that if I had a cell that shows the month I could change the month and that would change the formula so that it picks up the new months data I hope I have explained this well. Thanks in anticipation sum a range of cells |
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