He he, no genius, I just collection documents, links, media, and information, and systematically organize them then. However, the best starting point for a beginner is this thread:
http://forums.deeperblue.net/beginne...reediving.html Every newbie will find everything needed to get started there. As for O2/CO2 tables - you need to pass a test in freediving theory to use the advanced one at
APNEA.cz - Apnea Training Manager, but there are many other simpler applications available online:
tables @ APNEA.cz Though, I'd advise reading first little bit about risks and dangers, or taking a course before starting anyway, to avoid learning wrong or dangerous techniques.
