500 ton master 1600 ton mate nc

Im preparing to test for 500 ton master/1600 ton mate NC in Sept. and I was wondering what math equations I shoud be studying for both the nav problems and stability. I know there are some big differences from 200 ton to 500 ton and I dont want to be surprised. Does anyone have a good reference site, book or a list with this consolidated?
Thanks, TF

Duttons navigation, formula for the mariner, bowditch.

I took the prep class route…

Where are you located? I would’nt mess around. Take 4 to 6 months aside, go to Fletchers in Houma and do everything Capt. Bruce says.

Don’t mess around, this is a different animal than the 200 ton. Where are you located? I would take 4-6 months of my life and put it aside and go straight to Fletchers in Houma and do everything Capt. Bruce says. Git r done.