A link to more app recommendations

From Ars Technica:  http://arstechnica.com/apple/2013/02/from-mailbox-to-tweetbot-7-ios-apps-to-check-out-this-weekend/#p3n The last app, MyScript Calculator, is a a nice bridge between unconventional and conventional mathematical print when using a calculator.  I have used it with my son at home and it is pretty slick (and free!).