Beecham's help to scholars : containing arithmetical tables and signs, weights and measures, tables of the metric system, geographical and geometrical definitions, sol-fa modulator, and other useful information arranged progressively / Beecham's Pills, Ltd.

Date:: [1929?]

Credit: Beecham's help to scholars : containing arithmetical tables and signs, weights and measures, tables of the metric system, geographical and geometrical definitions, sol-fa modulator, and other useful information arranged progressively / Beecham's Pills, Ltd. Source: Wellcome Collection.

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$ARITHMETICAL TERMS, SIGNS, &c. All! computations in Arithmetic are performed by one of the ADDITION, SUBTRACTION, MULTIPLICATION, AND DIVISION. (a) The Multiplier, or number that Multiplies. (6) The Multiplicand, or number to be Multiplied. (c) The Product, or result of the Multiplication. (a) The Dividend, or number to be divided. (6) ‘The Divisor, or number by which you divide. (c) The Quotient, or result of the Division. To find the Sum, add the numbers. »> 9 «99),:« DIFFERENCE, subtract. ss» >» 95 PRODUCT, multiply. »» 9s 55 QUOTIENT, divide. + plus or more signifies addition as64+3=9 —-minusorless ,, subtraction ,, 8—5 = 3 x multiplied by ,, multiplication ,, 4 X 2 = 8 + divided by » division Sa = 7 = equal to » equality Se, =. Seas therefore. ’* signifies because. are the signs of proportion. ‘gas 18: 42 means, as 6 is to 14 so is 18 to 42. 4 sign of square root, as mo =o. /16 = = 4, n/'36 = 6 Be Gn 6, =. 30: f=8 x 8 = 4. &/ sign of cube root, as 2/27 = 3. 32 = 3X3 x3 = 27. a) f \ [ ] are brackets ; all quantities between t J aa; See :$