THE NEW COMPLETE SYSTEM OF ARITHMETIC, COMPOSED FOR THE USE OF THE CITIZENS OF THE UNITED STATES. BY NICOLAS PIKE, A. M. MEMBER of the AMERICAN ACADEMY of ARTS and SCIENCES. ABRIDGED FOR THE USE OF SCHOOLS. FOURTH EDITION. PRINTED AT BOSTON, BY D. CARLISLE, For THOMAS & ANDREW S. Sold by them at No. 45, Newbury Street; by faid THOMAS at Dec. 101. EXPLANATION of CHARACTERS ufed in this TREA + ÷ or 6)30( 875 25 (TH TISE. HE fign of Equality: As 12 Pence=1 Shilfing, fignifies that 12 pence are equal to I Shilling and, in general, that whatever preLcedes it is equal to what follows. ; The fign of Addition: As, 5+5=10, that is, added to 5 is equal to 10.-Read 5 plus 5, or 5 more 5 equal to 10. The fign of Subtraction: As, 12-4-8, that is, 12 leffened by 4 is equal to 8, or 4 from 12 and 8 remains. Read 12 minus 4, or 12 lefs 4 equal to 8. The fign of Multiplication: As, 6×5=30, that is, 6 multiply by 5 is equal to 30.-Read 6 into 5 equal to 30. The fign of Division: As, 30+5=6, that is, 30 divided by 5 is equal to 6.-Read 30 by 5 Lequal to 6. Numbers, placed fractionwife, do likewife denote divifion, the Numerator or upper number being the dividend, and the Denominator or lower number, the divifor, thus 875 is the fame as 875÷35-35. The fign of Proportion, thus, 2 : 4 :: 8 : 16, that is, As 2 is to 4 fo is 8 to 16. Shews that the difference between 2 and 9 added to 6 is equal to 13.-Read 9 minus 2 plus 9-26-136 equal to 13; and that the line a top (called a Vinculum) connects all the numbers over which 012-3+5=4 it is drawn. Signifies that the fum of 3 and 5 taken from 12 leaves or is equal to 4. Signifies the fecond Power or Square. Signifies the third Power or Cube. Page 9 Rules for reducing the Federal Coin, and the Cur- rencies of the feveral United States; alfo, English, Recapitulation of the preceding Rules of Exchange, Table of the value of feveral pieces of Coin in the Fed- To find the value of Gold in the Currency of the New- england States and in Virginia, Rule of Three Direct in Decimals, Rule of Three exemplified in feveral Questions relat- Reciprocal Proportion, or Rule of Three Inverse, Abbreviation of Vulgar Fractions, Compound Proportion, or, Double Rule of Three, |