Hope someone can see the wood for the trees, here.
As shown on the attached Sum of first digits.xlsx, Col A has three-digit product numbers.
Can't see why the following formula does not identify and total only the values in Col B where the number in Col A starts with the first two digits in A1 ("11") and ignores any starting "12" or "13":
"=SUMIF(A1:A5,LEFT(A1,2),B1:B5)"
Any pointers or solutions accepted gratefully, as ever.
Ochimus
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