How should I go about learning manual targetting?

Originally Posted by Captain Birdseye

I've never really tried manual targeting. It seems a bit scary to me, not having a mathematical brain . I would like to try it some day. I think the maths would let me down though.

First of all don't rush it.
Approach to it with caution, slowly (read manuals, watch videos) and when you going to feel enough confident in it, that will mean the right time to try it on your own has come

Good luck