(electronics, computing) A type of error where a signal or datum becomes wrong and stays wrong until the equipment is power-cycled, but does not physically damage the equipment's hardware.

(electronics, computing) A type of error which persists even after power-cycling the equipment; associated with permanent physical damage to the equipment's hardware (for instance, from a latch-up).

plural of hard error

(mathematics) The absolute value of the ratio of the absolute error to the actual value.

(intransitive, computing) To fail with an error.

plural of relative error

plural of rounding error

(mathematics) The difference between the result of a calculation using exact arithmetic and finite-precision, rounded arithmetic. / (by extension) A negligible fraction of something.

plural of error-proneness

The quality of being error-prone.