It really depends on the field and the exact thing you plan to do. As a web developer, elementary school arithmetics are enough. As a data scientist advanced math could be more valuable.
I would say that learning pretty much anything is always good.
For further actions, you may consider blocking this person and/or reporting abuse
We're a place where coders share, stay up-to-date and grow their careers.
It really depends on the field and the exact thing you plan to do. As a web developer, elementary school arithmetics are enough. As a data scientist advanced math could be more valuable.
I would say that learning pretty much anything is always good.