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#1
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Order of calculation
Does anyone know the criteria Excel uses to determine what order to calulate
cells in? I have several workbooks which contain user-defined functions (contained in an add-in) as formulas and can put a break-point in the add-in to see the order in which the cells are calculated. These functions are only called when Excel calculates the cell in which one appears and none of them depend on the calculation of other cells. However, the order of calulation Excel uses differs from workbook to workbook. In one, it starts in the cell in the right-most column and the bottom-most row and goes up the column to the top, then starts in the bottom-most cell of the next column to the left. In another, it starts in the cell in the top row of the right-most column and goes along the row to the left and then when it has done the whole row, drops down a row and starts again in the right-most cell. I am trying make the user-defined function code more efficient and to know what order Excel will calculate in would be immensely helpful. Thanks, Rosemary |
#2
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Order of calculation
Hi Rosemary,
Maybe this is of help: http://msdn.microsoft.com/library/de...c_xlrecalc.asp -- Kind regards, Niek Otten "RW" wrote in message ... Does anyone know the criteria Excel uses to determine what order to calulate cells in? I have several workbooks which contain user-defined functions (contained in an add-in) as formulas and can put a break-point in the add-in to see the order in which the cells are calculated. These functions are only called when Excel calculates the cell in which one appears and none of them depend on the calculation of other cells. However, the order of calulation Excel uses differs from workbook to workbook. In one, it starts in the cell in the right-most column and the bottom-most row and goes up the column to the top, then starts in the bottom-most cell of the next column to the left. In another, it starts in the cell in the top row of the right-most column and goes along the row to the left and then when it has done the whole row, drops down a row and starts again in the right-most cell. I am trying make the user-defined function code more efficient and to know what order Excel will calculate in would be immensely helpful. Thanks, Rosemary |
#3
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Order of calculation
Niek, thanks very much. The article explains a lot.
Rosemary "Niek Otten" wrote: Hi Rosemary, Maybe this is of help: http://msdn.microsoft.com/library/de...c_xlrecalc.asp -- Kind regards, Niek Otten "RW" wrote in message ... Does anyone know the criteria Excel uses to determine what order to calulate cells in? I have several workbooks which contain user-defined functions (contained in an add-in) as formulas and can put a break-point in the add-in to see the order in which the cells are calculated. These functions are only called when Excel calculates the cell in which one appears and none of them depend on the calculation of other cells. However, the order of calulation Excel uses differs from workbook to workbook. In one, it starts in the cell in the right-most column and the bottom-most row and goes up the column to the top, then starts in the bottom-most cell of the next column to the left. In another, it starts in the cell in the top row of the right-most column and goes along the row to the left and then when it has done the whole row, drops down a row and starts again in the right-most cell. I am trying make the user-defined function code more efficient and to know what order Excel will calculate in would be immensely helpful. Thanks, Rosemary |
#4
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Order of calculation
You're welcome. If you are interested in Excel's calculation secrets, you
really should visit www.decisionmodels.com by Charles Williams -- Kind regards, Niek Otten "RW" wrote in message ... Niek, thanks very much. The article explains a lot. Rosemary "Niek Otten" wrote: Hi Rosemary, Maybe this is of help: http://msdn.microsoft.com/library/de...c_xlrecalc.asp -- Kind regards, Niek Otten "RW" wrote in message ... Does anyone know the criteria Excel uses to determine what order to calulate cells in? I have several workbooks which contain user-defined functions (contained in an add-in) as formulas and can put a break-point in the add-in to see the order in which the cells are calculated. These functions are only called when Excel calculates the cell in which one appears and none of them depend on the calculation of other cells. However, the order of calulation Excel uses differs from workbook to workbook. In one, it starts in the cell in the right-most column and the bottom-most row and goes up the column to the top, then starts in the bottom-most cell of the next column to the left. In another, it starts in the cell in the top row of the right-most column and goes along the row to the left and then when it has done the whole row, drops down a row and starts again in the right-most cell. I am trying make the user-defined function code more efficient and to know what order Excel will calculate in would be immensely helpful. Thanks, Rosemary |
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