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Yes sir. I'm an engineer and when we started we had slide rules and whiz wheels. The kids now coming out of school would not know what to do without Excel and smartphones. It's called evolution.
I have never heard of any laws requiring computer usage, although it could be possible somewhere. Some dive operators require computers, but that is their requirement, not a law. Many OW classes do not teach tables.all that does not answer my question about legality of people diving without a dive computer. Tables are still taught, timing devices are still used as are depth gauges.
The "Standards ( Belize Standard: Code of Practice for Recreational Scuba Diving Services) (Declaration of Compulsory Standard) Order, 2016" cite recreational scuba diving as being within the NSL of recognized tables or dive computers. It doesn't say they are mandatory.I have never heard of any laws requiring computer usage, although it could be possible somewhere. Some dive operators require computers, but that is their requirement, not a law. Many OW classes do not teach tables.
It’s perfectly OK for someone to use tables. Computers are not mandatory.Sir, please. Don't advise anyone this. It's all fine until there is an incident and all the lawyers want the dive computer. I have lived through this, I would not advise it to anyone.
The first thing that happens in an incident investigation (and I have been involved in several) is where is the dive computer?
In the US, nothing about recreational scuba diving is mandatory*. You can dive without computers, tables, or even certification if you want to. Shops, ops, and dive site owners can set whatever rules they like, but none of it is required by law.
*Ok, some states have dive flag requirements, but they still don't regulate your personal gear or your training.
I believe it is mandatory in Philippines. How the operator enforced it is another matter!