SUMIF not adding

It worked! The fx button/wizard automatically placed the quotes, so I'm not sure if it's working correctly or I did something wrong. Thanks for the help.

Originally Posted by jeffreybrown

How about

=SUMIF(D2:D13,">="&$D$2*0.0004)

You were almost there, just a quote out of place with the addition of an ampersand.

What does the "&" do?