From the site:
"Adobe Youth Voices Essentials provides free curricula and tools for educators to inspire young people to create digital media on issues they care about. Based on the best practices of educators from around the world, our curricula promotes youth expression, creativity, and engagement, helping young people build critical 21st century technology and life skills."
From Dynamic Geometry (app developer):
"Drag, manipulate and animate visual mathematical representations to develop your understanding of fundamental concepts across elementary mathematics, geometry, algebra, trigonometry, calculus, and beyond. Based on the award-winning software The Geometer's Sketchpad®, the Sketchpad Explorer app allows you to interact with, and investigate, any mathematical document created in Sketchpad. With a simple, powerful, multitouch interface, Sketchpad Explorer puts mathematics comprehension literally at your fingertips."
From Apple App Store:
"MathStudio is the most comprehensive math app available for iPhone and iPad. Whether you need a simple calculator to do your finances or a replacement for your TI graphing calculator, MathStudio is the most powerful and versatile calculator available on the App Store."
Ink2Go is a screen annotation and recording solution that lets you write on top of your active desktop applications in real time. Save your annotations as image files or even record the entire annotation process as a sharable video!
This is the place to go in order to learn all the specific touch gestures for your new MAC laptop. Includes step-by-step video guides that are very helpful.
Additional info from Apple:
"In OS X Mountain Lion, you interact with your Mac using your fingers. Tap, scroll, pinch, and swipe your way through your Mac with Multi-Touch gestures, and control what's on your screen in a more fluid, natural, and intuitive way."