Two different methods of getting sums of rounded numbers to add up to the rounded sum are discussed. The case of cascaded rounding, in which each number is replaced by a set of numbers to be rounded to a conforming sum, with the sum of the conforming sums itself conforming to the sum of the whole, is covered. Geometric properties of are reviewed.
/lp/association-for-computing-machinery/a-dance-of-rounds-avuelmSvpn