Changes

:*The markings on an [[analogue]] [[Measuring Instrument|instrument]] (such as a [[ruler]] or [[thermometer]]).:*The number of [[Significant Figures|significant figures]] on a [[digital]] [[Measuring Instrument|instrument]] (such as a [[Digital Ammeter|digital ammeter]] or [[Data Logger|data logger]]).: If the markings on an [[analogue]] [[Measuring Instrument|measuring instrument]] are far enough apart it may be possible to tell to the nearest 'half' of a division.