Math Ref Free is a free version of the great math reference application, Math Ref. This app gives you just a sample (over 600) of the many (over 1,300) helpful formulas, figures, tips, and examples that are included in the full version of Math Ref. So, if you are a student, teacher, or need math for work and want to try before you buy, this app is for you
SkySafari 3 - SkySafari is a chart star app for all astronomy enthusiasts. It includes a comprehensive database of 120,000 stars and 220 of the most known star clusters, nebulae and galaxies.
In addition, the application displays the Solar System's planets along with their moons, as well as the most important asteroids and comets
SkySafari 3 Plus - SkySafari Plus is a chart star app for all astronomy enthusiasts. It includes a comprehensive database of 2.5 million stars and 31,000 deep sky objects.
In addition, the application displays the Solar System's planets along with their moons, as well as 4,000 asteroids, comets and satellites
Quora - The new iPhone application from Quora -- the company that Wired Magazine calls "a potential revolution in knowledge." Like Wikipedia, Quora provides great answers on a wide range of topics -- technology, movies, music, travel, health, law and much more
Notable Quotes - “A fine quotation is a diamond in the hand of a man of wit and a pebble in the hand of a fool.” - Joseph Roux
Notable Quotes has a wide selection of quotes to choose from, with a variety of styles and tones in each subject, so there's sure to be something for everyone