The National Arithmetic on the Inductive System: Combining the Analytic and Synthetic Methods : Forming a Complete Course of Higher ArithmeticRobert S. Davis & Company, 1857 - 444 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 , X3 = 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 , X3 = 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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25 per cent acres amount annexed annuity Arithmetic Avoirdupois balance barrels becoming due bill bought bushels carats cash cask ciphers circumference common denominator common fraction composite number compound interest compound numbers contain continued fraction cost cube root debit diameter difference discount dividend division dollars duodecimal equal exactly divide EXAMPLES expressed decimally feet long figures gain gallons given number grains greatest common divisor Hence hogshead hundred improper fraction inches least common multiple longitude lowest terms measure merchandise miles minuend mixed number months multiplicand Multiply NOTE number denoting number of days number of terms obtain paid payable payment pounds premium present worth prime factors prime number principal quantity quotient rate per cent ratio received Reduce remainder repetend rods RULE SECOND OPERATION shillings side simple numbers sold square root subtract subtrahend tens third thousand tons weight whole number write yards
Δημοφιλή αποσπάσματα
Σελίδα 158 - RULE. — Multiply all the numerators together for a new numerator, and all the denominators for a new denominator.
Σελίδα 168 - Multiply the numerators together for a new numerator, and the denominators together for a new denominator.
Σελίδα 322 - There is owing a merchant $ 1000 ; $ 200 of it is to be paid in 3 months, $ 300 in 5 months, and the remainder in 10 months. What is the equated time for the payment of the whole sum ? Ans.
Σελίδα 44 - The Dividend is the number to be divided. The Divisor is the number by which we divide.
Σελίδα 44 - When the dividend does not contain the divisor an exact number of times, the excess is called a Remainder, and may be regarded as a fourth term in the division.
Σελίδα 241 - ... 35 gallons run out in an hour ; in what time will it be filled ? Ans. in 12 hours. 29. A and B depart from the same place and travel the same road ; but A goes 5 days before B, at the rate...
Σελίδα 276 - Compute the interest to the time of the first payment ; if that be one year or more from the time the interest commenced, add it to the principal, and deduct the payment from the sum total. If there be after payments made, compute the interest on the balance due to the next payment, and then deduct the payment as above; and in like manner from one payment to another, til! all the payments are absorbed ; provided the time between one payment and another be one year or more.
Σελίδα 173 - ... as before. Therefore, Dividing the numerator or multiplying the denominator of a fraction by any number divides the fraction by that number (Art.
Σελίδα 350 - In reckoning when a bill, payable after date, becomes due, the day on which it is dated is not included ; and if it be a bill payable after sight, the day of presentment is not included. When the term is expressed in months, calendar months are understood ; and when a month is longer than the preceding, it is a rule not to go in the computation, into a third month.
Σελίδα 208 - Remove the decimal point as many places to the left as there are ciphers in the divisor, and if there be not figures enough in the number, prefix ciphers.