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Quick Graph is a powerful, high quality, graphic calculator that takes full advantage of the multitouch display and the powerful graphic capabilities of the iPad and iPhone, both in 2D and 3D. A simple, yet intuitive interface that makes it easy to enter and/or edit equations and visualize them in mathematical notation. 

"Finally: a scientific graphing tool for students and teachers. Import data from experiments or enter it manually into an online spreadsheet. Make scatter plots, bar charts, lines-of-best fit and much more."

"Graph functions, plot tables of data, evaluate equations, explore transformations, and more - for free!" Via #gafesummit Ontario

If you havent seen this A/V feature on how to use Skype of recording interviews, then go through it right now. Its a must.

See how often US presidents have said certain words in their inaugural addresses. Click on the examples on the right, or type in your own word above. Hover over points in the graph and milestones to see names and dates

Brief Description Microsoft Mathematics provides a graphing calculator that plots in 2D and 3D, step-by-step equation solving, and useful tools to help students with math and science studies.

"WeatherSpark is a new type of weather website, with interactive weather graphs that allow you to pan and zoom through the entire history of any weather station on earth. Get multiple forecasts for the current location, overlaid on records and averages to put it all in context. "

To promote sustainable global development and achievement of the United Nations Millennium Development Goals by increased use and understanding of statistics and other information about social, economic and environmental development at local, national and global levels.

Pivot makes it easier to interact with massive amounts of data in ways that are powerful, informative, and fun. We tried to step back and design an interaction model that accommodates the complexity and scale of information rather than the traditional structure of the Web. Watch the TED Talk video. Only about 6 minutes http://www.ted.com/talks/gary_flake_is_pivot_a_turning_point_for_web_exploration.html