BIG news: online math practice at MathMammoth.com

This is a big announcement! I have the pleasure to announce a NEW section on Math Mammoth website that focuses on ONLINE PRACTICE for various math concepts! I am sure that many of you will get lots of use out of this new section. The scripts there have been made by my son; let's just call him Codelover 😃. He's still pretty young, but he loves coding and web development, and has been learning a lot about those topics right and left for a while now (mostly using courses from Udemy). I do have a favor to ask though. He made this section in such a manner that it SHOULD work offline (it's something called "progressive web app"; I don't personally understand these concepts nearly as well as he does so I won't even try to explain it). It seems that sometimes it's necessary to RELOAD the page a few times to make it work offline. He would appreciate it if you can test whether it indeed works offline also, or not, and then leave feedback on the s...