http://gizmodo.com/5506939/the-50-wolfram-alpha-iphone-app-is-2-because-now-they-want-people-to-actually-buy-it http://gizmodo.com/5506939/the-50-wolfram-alpha-

http://gizmodo.com/5506939/the-50-wolfram-alpha-iphone-app-is-2-because-now-they-want-people-to-actually-buy-it http://gizmodo.com/5506939/the-50-wolfram-alpha-iphone-app-i... It's been for some time. Great app.