Live wallpaper with the real position of the sun and the planets.
Convert Amazon Kindle books of Mobi and AZW format to ePUB books to read them on any ePUB e-readers.
Let students organize information, understand concepts, and express their thoughts.
Pass California motorcycle theory test.
Read, learn, annotate, and compare Bible passages.
Quick reference guide to German grammar for English speakers.
Simulate and experiment with some of the more commonly-used protein separation techniques.
