My name is Magali. I substitute teach and I'm a math tutor. Mostly k-12 but I work with college kids too. I'm looking for new ways to help my students do better in math.
Welcome to the forum.
In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.
Welcome to the forum!
Character is who you are when no one is looking.