Is maths use for astronauts?

Yes.

All current astronauts require at least a bachelor's degree in a scientific or technical field. Its impossible to attain such a degree without excellent maths skills.

Proficiency in mathematics is almost essential for any work as an astronaut.

As is grammar.

The answer is yes

In one word "YES" !!!!!

Yes, it is the mainstay of most of the titles you need.
Engineering and Physics for a start.

Absolutely.

They have to have excellent maths skills
Do they use those skills - probably not
As David Bowie sang:"And I think my spaceship knows which way to go" and "Here am I sitting in my tin can far above the Moon
Planet Earth is blue and there's nothing I can do"
The Apollo astronauts were mostly passengers, with some manual rocket firings as specified by Mission Control. They didn't do their own calculations, although they knew how to

Sure is.
You cannot get from point a to point b without it.

And Englishes too