Jim, that's brilliant; thank you so much for helping me with this! Your
formula enables me to do exactly what I wanted to do.

"cspr" wrote:

I would like to be able to use a value in a cell as the numeric reference to
a row in another column, to which to sum values in that column.
Eg.
If A5 = 7, sum values in cells D3 to D7.
If A5 = 13, sum values in cells D3 to D13.