Add your to-do lists for your day and remove them as you finish.
Create Notes to refer them later.
Add homeworks and assign them deadlines. They will be displayed prioritized by deadlines.
Search the topics you want in Wikipedia.
Search for meanings, synonyms, phonetics.
Search Youtube and select your desired video to play it on youtube.
Browse books from a list of neatly organized book menu.
Check out the conversion table that helps you to convert measurements to more familiar ones of your choice.