Glass Calculator – Apple iPhone / iPod Touch and iPad App Promo Codes to Giveaway

Apple iPhone / iPod Touch and iPad app promo codes to giveaway for the Utilities app Glass Calculator! courtesy of Ethan Larson. What is the problem with touch screen calculators? Since there are no physical buttons, you must look at, and identify each button before you press it. As a result, you must look back and forth between the screen and the numbers you are entering. This process is extremely inefficient. Glass Calculator takes a different approach, by eliminating one of the factors.

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