DeğişkenX Matematik is an Android app developed by Online Matematik that offers a comprehensive collection of e-books and links to various subjects such as Math, Physics, Chemistry, Literature, Turkish, History, KPSS, YGS, TYT, AYT, LGS, and more. The app allows you to access these resources quickly and easily.

In addition to the vast collection of e-books, DeğişkenX Matematik also provides math questions, tests, answers, and topic explanations that are useful for TYT math exam preparations. The app offers a range of features such as downloading study cards, test papers, and topic summary PDF files from the web. You can also solve topic tests and check your score or watch explanation videos if you have any doubts.

DeğişkenX Matematik provides instant feedback on the questions you solve, helping you identify your weaknesses and strengths. You can also receive notifications when new questions or study cards are added. The app also allows you to personalize the font size and notification settings as per your preference. With the app's constantly evolving content, you can keep up with your studies and improve your math skills.