Index of lessons

Click on the link to download a .zip archive which, when expanded, will give you several .pdf files, each corresponding to a specific lesson. To play a given file, go to and drag the .pdf file into the indicated portion of that site's window. (You can also play these files on mobile devices. Details are at

  • Lessons 1 - 13 on functions in general
  • Lessons 14 - 18 on quadratic, rational and polynomial functions
  • Lessons 19 - 25 on exponential functions
  • Lessons 26 - 33 on trigonometric functions
  • Lessons 34 - 37 on trigonometric algebra