“Try quickly typing 1+2+3. I bet you won’t get 6.”

Earlier this month, I talked about a rotation button in photos that behaved really nicely in iOS, and not so great on the Nothing Phone . Here’s a story of a similar fumble iOS once made that might bring the point home even more. The calculator app has been preinstalled on iPhones ever since their debut in 2007. For the longest time it hasn’t been anything more than a standard four-function…