Technology is allowing us to push the boundaries of how we do common tasks like using a calculator, as evidenced by Rechner, a gesture based calculator app for the iPhone. Designed by Berger & Föhr, Rechner allows you to swipe left and right to add and subtract, swipe down to open a menu for options such as multiplication or division, and swipe up for equals. It seems almost counter-intuitive to the way we currently do math, with dedicated buttons for each of these tasks. But when you watch the video it’s actually quite remarkable how easy it is to use this app, and how you could potentially work faster on it. It’s great to see people experimenting like this, shifting paradigms of how we normally work.