The National Arithmetic on the Inductive System: Combining the Analytic and Synthetic Methods : Forming a Complete Course of Higher ArithmeticRobert S. Davis & Company, 1878 - 450 σελίδες |
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Σελίδα 12
... quantity he also used our present sign✓ , originally r , the initial of the word radix , root . The sign = , to denote equality , was introduced by Record , the above - named English mathe- matician , and for this reason , as he says ...
... quantity he also used our present sign✓ , originally r , the initial of the word radix , root . The sign = , to denote equality , was introduced by Record , the above - named English mathe- matician , and for this reason , as he says ...
Σελίδα 13
... quantity . 4. A concrete unit is one that has reference to some par- ticular thing or quantity . 5. A number is an expression of quantity , representing either a unit or a collection of units . 6. An abstract number is a number whose ...
... quantity . 4. A concrete unit is one that has reference to some par- ticular thing or quantity . 5. A number is an expression of quantity , representing either a unit or a collection of units . 6. An abstract number is a number whose ...
Σελίδα 14
... quantity on the right of it is to be subtracted from the quantity on the left . Thus , 8 6 signifies that 6 is to be subtracted from 8 . 21. The sign of multiplication , an inclined cross , X , is read times , or multiplied by , and ...
... quantity on the right of it is to be subtracted from the quantity on the left . Thus , 8 6 signifies that 6 is to be subtracted from 8 . 21. The sign of multiplication , an inclined cross , X , is read times , or multiplied by , and ...
Σελίδα 15
... quantity , or equal quantities , be added to equal quantities , the sums will be equal . 2. If the same quantity , or equal quantities , be subtracted from equal quantities , the remainders will be equal . 3. If the same quantity , or equal ...
... quantity , or equal quantities , be added to equal quantities , the sums will be equal . 2. If the same quantity , or equal quantities , be subtracted from equal quantities , the remainders will be equal . 3. If the same quantity , or equal ...
Σελίδα 37
... quantity any number of times does not alter its nature . Thus : 5 , an abstract number , X 3 15 , an abstract number ; and 9 yards × 7 63 yards . = = 57. The multiplier must always be considered as an abstract number . Thus , in finding ...
... quantity any number of times does not alter its nature . Thus : 5 , an abstract number , X 3 15 , an abstract number ; and 9 yards × 7 63 yards . = = 57. The multiplier must always be considered as an abstract number . Thus , in finding ...
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12 per cent acres amount annexed annuity Arithmetic arithmetical series balance barrels becomes due bill bought bushels carats ciphers column common difference common fraction compound interest compound numbers contain continued fraction cords cost cube root cubic diameter Divide dividend division dollars equal EXAMPLES exchange expressed decimally figures gain gallons given number given rate grain greatest common divisor Hence hogshead hundred inches indorser last term least common multiple less longitude lowest terms miles minuend mixed number months multiplicand Multiply NOTE number denoting number of days number of terms obtain paid par value payable payment pound sterling pounds premium present worth prime factors principal proportion quantity quotient rate per cent ratio received Reduce remainder repetend RULE SECOND OPERATION shillings side sold square root subtract tens third thousand tons trial divisor true divisor weight whole numbers wine write yards