It's not as bad as it was before, but it's definitely still there. You don't even have to tap super fast; I can make it happen whether I'm using two fingers or one. As long as a couple of button taps are within a reasonably-quick amount of time, you'll get the wrong answer.
Below are three examples; one with 3+2+1 and two with 6-5-4. The slow-motion version shows exactly how Calculator comes up with the wrong answer, as you can see incorrect values being inserted. This was recorded on my just-upgraded iPhone 8 Plus running iOS 11.2:
I can even make this happen with a simple "3+2" test. You may argue that I'm tapping the keys too quickly, but I'm not really hitting them at super-human speed, just quickly. And more importantly, the taps should be recognized and cached in order, regardless of what onscreen animations are occurring.
Trying the same experiment with PCalc, for example, I cannot make it fail, even tapping buttons much more quickly than I do in Calculator.
Kill the fancy animations, Apple, and just make Calculator remember our key taps, please?
Here's an incredibly amateurish video of me replicating the bug on my iPhone 8 Plus. It's early and my tripod is buried in a closet, so I held the camera with one hand while using the iPhone with the other, hence the shakiness. But it demonstrates how I'm replicating the bug…
Dec 14 update: Here's the video of an iPhone X running iOS 11.2.1. I shot this left-handed while working the Calculator with my right hand, which explains the unstable video. But it's pretty obvious the bug persists…
While not nearly as bad as the prior bug, this one could still catch someone by surprise, especially if it came in the middle of a longer calculation.
Holy crap, that's terrible. Apple QA & Engineering, you should be embarrassed by this! Abysmal. WT actual F?
I have an iPhone 6S running IOS 11.1.2. 3+2+1 fast gives me 21. Very slowly and I get 6.
That's the known bug in pre-11.2 iOS versions; it was supposed to be fixed in 11.2, but my experience says otherwise. Some others have replicated, some have not. After you upgrade, try again and see if you can still replicate the issue. (I can on my wife's 6S.)
-rob.
Updated the 6S fixed it, but now there’s no total until I press = or +. Earlier behavior (as currently on husband’s 7plus running 11.1.2) didn’t require pressing =. A quick 3+2+1 shows 21. Pressing = or + then shows 24.
I use an iphone SE. When I upgraded to iOS 11.2, the slow-animation bug was definitely still there. I have just tried it again, and now I cannot replicate it. I have not installed any kind of patch or further update, so how can the bug have got fixed since I installed 11.2?
I just recreated the bug on iPhone 7 running iOS 11.2.5 (15D60)
Apple has a long way to go fix it. Samsung seems to be best
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