excel - Dragging INDIRECT and -

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i thought take through thinking there may better way using indirect achieve desired result if not solution indirect handy.

i had simple formula

=sumproduct($e$10:$e20,j10:j20) dragged across great number of columns ending somewhere in cc's

however found when inserted row change 10 , $10 11 , $11, placed indirect in there.

=sumproduct(indirect("$e$10:$e20"),indirect("j10:j20"))

i realize i'm referring string , if drag across right, cell references won't update.

so first question how go updating these can drag indirect across columns right , update cell references formula resemble or @ least work in same way when dragged column k , on.

=sumproduct(indirect("$e$10:$e20"),indirect("k10:k20"))

however

if there better solution indirect keep orignial formula when rows inserted or deleted helpful too.

you have turned both rows , columns static string representations when want guard row designations changing on row insert. replacing indirect functions index functions allow make column e absolute conventional $ , leave column j relative hard-code referenced rows not change on row insert.

=sumproduct((index($e:$e, 10):index($e:$e, 20)), (index(j:j, 10):index(j:j, 20)))

just don't insert columns , should work planned.

on related note, referring "$e$10:$e20" string in indirect may visually identify purpose you've noted, text not going change despite dragging new location or inserting rows. there no difference if use indirect("e10:e20").


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