Study Anywhere

No Internet connection required.


Use your time, not your data

  • Download unlimited videos and watch them anywhere
  • Stream videos over cellular data or WiFi
  • Progress through the course syncs everywhere
  • Adjustable playback speeds
  • Quick access to the discussion forum


Every minute counts

  • Whether online or offline, all your flashcards are just a tap away
  • Track, filter, and study the flashcards you want
  • Tag your cards to make filtering even more powerful
  • Updates and new cards are added automatically


Practice problems ready when you are

  • Work a continuous stream of problems or create quizzes
  • Filter problems by topic, chapter, & lesson or by only lessons you have watched
  • Keeps all your progress & attempts synced with website
  • Review both written and video solutions in the app

Normal Distribution Calculator

IFM study aid

  • Automatically evaluates the cumulative normal distribution function for any input
  • Accurate to 5 decimal places
  • Simultaneously evaluates the inverse cumulative normal distribution on that input (provided it is between 0 and 1)