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FYI the screenshot of the app has the formula:

Revenue = Profit - Loss

It should be:

Revenue = Profit + Loss (as Profit = Revenue - Loss).

Otherwise, cool!

I think the nonprogrammer view would be that "loss" is a positive number, then the original format is correct

Ah, could be.

Revenue is bigger than profit, so it’s worse than that. I think it’s just plain wrong, or it assumes loss is a negative number.

Oh man, you are correct. Shoot. I don't know how I did that.