Really, what I want is for you to sort of keep it in your head. That sounds a bit hard, and probably is, right now. But you'll get use to it, and doing so will make things easier.

As far as chlorine goes, 10% of your CYA will keep you algae-free. You can go lower, if the pool has no sign of algae.

Use the poolcalculator as needed, but "use" it, instead of letting it "use" you.