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Sumproduct Fucntion - the use of dash ( -- )
On Apr 4, 3:29*pm, Pete_UK wrote:
The terms in brackets in a sumproduct formula will be logical terms and thus will return values of FALSE or TRUE. Using a single minus will change these to 0 and -1, and a double minus converts them to 0 or 1, so they can be used in arithmetic. You can use them like this in a SP formula: =SUMPRODUCT(--(condition1),--(condition2),--(condition3)) but an alternative to this is: =SUMPRODUCT((condition1)*(condition2)*(condition3) ) Hope this helps. Pete On Apr 4, 1:21*pm, Negda wrote: In some example I saw the use of double dashes at the beginning: =sumproduct( -- (....)) What does it mean? when I should use it and to avoid?- Hide quoted text - - Show quoted text - thank you very much - helps a lot Negda |
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