Practical arithmetic: or, the rule of practice methodized and improved. Wherein are contained all the necessary cases, and several examples wrought under each case, with many contractions. And examples annexed to exercise the learner; ... The whole adapted to the use of merchants, and wholesale and retail dealers, ... By John Dean, ...
Dean, John.
London : printed for G. Keith,
1761.
First published in 1756 as 'The rule of practice methodized and improved'.
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