Calculator

- This is a full-featured scientific calculator.

- Use it to add up your budget or work complex math problems.

- Tap the menu key and Settings and you can clear the history, clear the memory and more.

- Set your history to remove duplicate entries.

Thinking Space

- This is a

"mind mapping" tool for Android

.

- Use it to keep notes.

- Jott down important facts for later study.

- Arrange your ideas in a logical order.

StudyDroid

- Create your own packs of flashcards.

- Make as many packs as you want.

- Tap the menu key and you can add, edit, delete and so on.

- Swipe right to left to go to the next card, and left to right to go to the previous card.

- A great way to study facts and dates.

- Tap the menu key and you can add a pack, sync packs, clear all packs and backup!

Evernote

- A full-featured database that can hold all kinds of information.

- Get a free account a the Evernote Web Site

- Add text notes.

- Add voice notes.

- You can also add photos and search all your data stored in Evernote.