title_body: How is math displayed on Kindles?
upvoted_answer: I dont have the kindle device but i am using kindle app. Kindle app can not read mathematical notations.
  Few months ago i bought the book Old and New Inequalitites Volume 2 by Vo Quoc Ba Can and Cosmin Pohoata. You can clearly see from the picture I understood nothing. Luckily i had an vietnamese version free so i understood it. I am also giving the pdf i converted from a kindle book to pdf. Here is the link below
  Old and New Inequalitites Volume 2
  you will see why i hate kindle