I didn't edit it - I accidentally clicked the wrong button when aiming for the Reply With Quote button and typed my reply into your post before I realised what I'd done. I then had to remove it - that's all. I can send you a log of the changes, if you'd like. I'll add an edit note - should have done that. Need more coffee ...

I accept that my statement might heve been misleading, but I've seen those functions trip so many people up with LAMBDA that I think it's useful to float the possibility of using SUMPRODUCT.