It may be done also to indicate the accuracy of a computed number ; for example , a quantity that was computed as 123,456 but is known to be accurate only to within a few hundred units is better stated as `` about 123,500 . ''
It may be done also to indicate the accuracy of a computed number ; for example , a quantity that was computed as 123,456 but is known to be accurate only to within a few hundred units is better stated as `` about 123,500 '' .