Hey and welcome to our ocean ;-)
as @welcoming already said, you should really check out our STEM community @steemstem, include our tag #steemstem into your math/physics posts to receive upvotes and also join our discord chat some time!
Also, there is this great guide that I usually recommend to new steemians, that really covers a lot of the usual questions around our platform.
Cya around!
Thanks, I'm really excited to see that there's a strong stem community here, I had no idea! Can't wait to be a part of it.