[aquayle]

I know this is covered in a couple of threads lately, but I thought I would bring them together. I was looking at the ERD, but I have to do the Adv. Nitrox first. Spoke to an Instructor today about the BSAC courses and enquired about the type of deco models covered & computer software - got a blank(ish) look. We use tables was the reply (BSAC - I Guess). So is TDI likely to be more up-to-date with 'leading technology' & therefore more of a learning issue or am I being too critical and go with the BSAC courses?