My personal favorite ios bug that I found was in the middle of a finance exam. The ios calculator app gave completely different answers depending on whether or

My personal favorite ios bug that I found was in the middle of a finance exam. The ios calculator app gave completely different answers depending on whether or not you tilted the phone slightly during the calculation. It wasn’t just a visual thing - the calculation itself was changed by the toggling briefly to scientific mode and back again. I no longer fully trust calculators.