Version 3.3:
Incorporation of:
  Calculators to solve integral integrals with their procedure
  Tutorials to be able to solve the exercises
  Graphing machines
  Academic Progress Control
     -Basic level (10 exercises)
     -Intermediate level (10 exercises)
     -Advanced level (10 exercises)
     -Hardcore level (10 exercises)
  Achievements
   -Number of attempts (Errors)
   -Medal
   -Progress bar
   -Reinit Game

New design of the application interface

Maintenance of the application and several errors fixed.
- Incorporation of different languages to the application:
  - Spanish
  - English
  - German
  - Simplified Chinese)
  - French

The application does not use your personal information the application has as a purpose a didactic use thanks to the calculators graphics tutorials and a control of academic progress you will develop all your skills in the subject of integral calculation.