The Rechner Calculator is a $0.99 iOS app that replaces several of the normal calculator buttons with simple swipe gestures. The Rechner Calculator is a $0.99 iOS app that replaces several of the ...

Home Screen: First, it will come as a preloaded app on your iPhone, and will be on your home screen. You may need to swipe through a page or two to find it. Control Center: Open the Control Center and ...

Ever try to do a quick bit of math on your iPad when it was fresh out of the box? What’s up with that, Apple? Where’s the app that comes with every iPhone and iPod touch, the calculator? Well, today, ...