This app has been updated by Apple to display the Apple Watch app icon. iOS 11 adjustments

iOS 7 adjustments

Fixed a bug when running iPad version in landscape on iOS 6.

iPhone 5 adjustments

Fixed an error in Product Formulas (Trigonometry).

- Chinese language - Minor fixes

- Correct value of the constant e. - Updated the contact information. Also updated Facebook and Twitter links. Check out our latest app, the popular maths game "King of Math". It's free to try!

- Language settings in the app - Japanese translation - iOS 5 fixes - Slightly changed title of the app

Fixed a bug in the swedish iPad version of the app.

Fixed a problem when starting the app with the device set to German language. Note: the app does not currently support German but we are working on including this in the near future.

Updated the content of the "Circle Sector" and "Circle Segment" formulas. Changed the name of "Sine Expression" to "Sum of sine waves". Minor language fixes.

Pythagorean Theorem is now displayed in the correct language.

- Area formula in Polygons. - Fixed an error in Newton-Raphson Method. - Support for British English (no more "Favorites" for non-American english speakers!) - Fixed a rare issue where opening some formulas could make the app crash.

• Two new geometry formulas: - Thales' Theorem - Inscribed Quadrilateral • Fixed an error in the Disc Integration example Thanks for all feedback and great reviews! If you have not yet rated the app, please do so to support further development!

Completely new design of the app! Both the visuals and the functionality have been improved to provide an even more user friendly and appealing math formulas reference app. The iPad version in particular has been greatly improved with better overview of formulas and faster loading.

The app now works on older iPhones (iOS 3.0 and 3.1). Also fixed a bug where on rare occasions the navigation bar disappeared when pressing the star button in a formula.