Formulus HD - Formulas for Calculus

  • iPad
  • Price: FREE
  • Submitted to App Store on June 6, 2010
  • Main Features
    • Same functionality as Formulus version
    • Formulas are in Hi-Res PDF versions
    • User can zoom and pinch to make formulas larger or smaller without pixelation
    • User can pay $1.99 to get rid of Admob ads through an In-App Purchase
  • Notes
    • First iPad app
    • Gained experience with using new frameworks such as the MessageUI framework
    • Used a recursive UITableViewController subclass to navigate through an arbitrary folder structure, allowing me to organize formulas however I want
    • First time using the StoreKit framework