Sorry I don't have a recommendation but this seems hard, symbols in math can mean different things depending on the context (the field you are looking in) and a

Sorry I don't have a recommendation but this seems hard, symbols in math can mean different things depending on the context (the field you are looking in) and at least while I was in undergrad they seemed to change between professors all the time while meaning the same thing. Hopefully I am wrong and there is a way to learn with a game as with Seterra.