Do not use this for diving. If you use this for diving and you kill yourself or get decompression sickness then it's your own fault. If you choose to ignore this advice then please don't rely on the numbers that this program generates. Use other tools. Check its output. Get someone else to do the dive first, and only dive yourself if they survive, etc. No warranty. You don't know me, so why should you trust me with your life? I might have put some code in there to produce dodgy dive tables every now and again.