You can enter study sets by dividing the type of vocabulary (food, condiments, items, etc.) or grammar you want to learn. It offers flascards, a quiz, auditory quiz, a study bookmark so that you can chose the topic. It also has an statistics button to track your strings and weaknesses.
Somehow we have managed to successfully program our students/children to think that Math and fun don't mix. This app combines fun with space rockets and quick-thinking math skills. The better your student/child does on the challenges, the more "money" he/she earns to upgrade their rockets. This would be a great app to use in the classroom to help review math operations, and still motivate the students to accomplish something and they can see their progress through how much money they have earned or by how fancy their rocket is.
GoSkyWatch is an app for the iPod Touch, iPhone and iPad that allows the user to display a map of the sky at anytime, and with any orientation. The app includes hundreds of images of planets & deep sky objects, constellation, DSO ephemeris data, 180 degree display of the sky, and if you point the back of the device to the ground, you'll get a map of the sky on the other side of the globe at that time.
Note taking software designed for multiple platforms. Works as an iPad app as well as on a traditional PC or MAC. Requires a software install and an account which is free. You can share notes if desired. It works on just about any platform.