Graph equations in different colors.

Note taking app with many, many features, different note types and organization in folders.

Complete calendar app that sync with Google Calendar

* smooth scroll- and zoomable multi-day view (1-14 days)
* graphical and textual presentation
* month, agenda, day, and event view
* quickly fade in/out calendars using the favorite bar
* search function
* widgets for month, week, agenda and day view