Ted said:
I need to compute averages of several rows of numbers.
Every cell contains a number. None are negative.
I want the average to disregard '0' and any number over 60.
I presume by '0', you really mean the number zero, not the text "0".
Try this array formula [*]:
=average(if((0<A1:A100)*(A1:A100<=60),A1:A100))
The "*" functions as AND. You cannot use the AND function itself in this
context.
[*] An array formula is committed by pressing ctrl+shift+Enter instead of
just Enter. You should see curly braces around the entire formula in the
Formula Bar, e.g. {=formula}. You cannot enter the curly braces yourself;
Excel inserts them to denote an array formula. If you make a mistake,
select the cell, press F2, edit as needed, and finally press
ctrl+shift+Enter.