## An elucidiation of the new discovery in arithmetic |

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### Common terms and phrases

acres answer ascer ascertaining the correctness Avoirdupois Weight Bill of Parcels bushels casks cents common lbs component cond crown Direct Proportion dition sum dollars Double Rule doubloon exact copy exactly one less farthings figure immediately follow furlongs gallons glance greater number half-crowns HEREUNDER ARE PURPOSELY inverse numbers Inverse Proportion known also thereby last row less number less requires less multiply by 12 number of pence number of persons ounces penny pennyweights perceive both statements poles pounds preceding example PURPOSELY PERFORMED INCORRECTLY quantity quarters wide quotient readily perceive reduce regularly decrease RICHMOND GREEN row of figures Rule of Three s. d. lb scratched second adding second sum shillings Single Rule sixpences slate every figure SUM AT LARGE sum in Addition sum throughout SUMS HEREUNDER sura term divided third sum third term three other sums transpose the inverse Tutor's Ex Tutor's Expeditious Assistant

### Popular passages

Page 1 - The Tutor's Expeditious Assistant ; Founded on a New Discovery, and arranged so as to enable the Schoolmaster, at the mere glance of any sum therein, to ascertain its correctness, and to point at the moment to any Figure incorrectly placed ; the Rules of Direct and Inverse Proportion are contracted in every case : the whole rendered familiar by copious Notes.