Good website, but equations makes me confused

What equations?
If you mean on the betting screen it is just showing you your options on what you are betting on and you can modify them to your liking.
It is very simple to start if you know what dice sites are all about and how to bet on them.
Looks like he is referring to auto betting! Though there has been a number of simplifications, it is still a puzzle achieving the settings for some strategies as one would have loved to, thus predisposing some players to only play manually. I guess more simplification won't be out of place.