MIT alum Salman Khan has an ambitious plan. He wants to provide anyone, anywhere with a quality education. To that end, he's created a website with over 2,700 K-12 lectures spanning math, history, science and more. Now he's bringing all this online learning to the iPad with his new Khan academy app. In keeping with Khan's philosophy of learning, the Khan Academy app and all its resources are available for free. The app lets you login to your Khan Academy account and track your progress as you work through the courses. You can also download videos and playlists for learning on the go and follow along with subtitles that'll help you navigate through each lecture. You
