This website is not meant to replace the learning that happens in the classroom, but rather to supplement it.


  • Students can use the site on their home computers while studying.
  • A class of students can be asked to stay on this site in a computer room.
  • The site can be used to review more basic knowledge.
  • Students can explore concepts they will see in the future.
  • The exercise sheets can be given as homework.
  • Students can be asked to print their own exercise sheets at home, to reduce school paper costs.