A Theoretical and Practical Arithmetic: In which the Principles of that Science are Clearly and Fully Explained; Being Intended as an Introduction to the Higher Branches of MathematicsS. Wood & sons, 1825 - 236 σελίδες |
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Σελίδα 5
... considers quantities when they are ex- pressed in numbers . 2. Arithmetic is then the science of numbers : it considers their nature and properties ; and its object is to give easy methods for representing numbers , and for compounding ...
... considers quantities when they are ex- pressed in numbers . 2. Arithmetic is then the science of numbers : it considers their nature and properties ; and its object is to give easy methods for representing numbers , and for compounding ...
Σελίδα 11
... consider the tenths as units which have been formed of ten others , each ten times smaller than the tenths , and , for the same reason of analogy , place them on the right of the tenths . These new units , ten times smaller than the ...
... consider the tenths as units which have been formed of ten others , each ten times smaller than the tenths , and , for the same reason of analogy , place them on the right of the tenths . These new units , ten times smaller than the ...
Σελίδα 14
... consider these tens as so many units , and add them to the next column or column of tens : observe with regard to the sum of the numbers in this second column , the same rule as for the sum of the first , and continue thus from column ...
... consider these tens as so many units , and add them to the next column or column of tens : observe with regard to the sum of the numbers in this second column , the same rule as for the sum of the first , and continue thus from column ...
Σελίδα 16
... consider each of these together with the rules to which it applies . There is also an auxiliary sign , viz . two equal and horizon- tal straight lines thus , which signifies that the numbers be- tween which it is placed are equal to one ...
... consider each of these together with the rules to which it applies . There is also an auxiliary sign , viz . two equal and horizon- tal straight lines thus , which signifies that the numbers be- tween which it is placed are equal to one ...
Σελίδα 18
... consider as so many tens , to join it to the following figure of that sum , and from the whole we take the sum of the column above it , we continue thus to the column of units , the sum of which being subtracted there should be no ...
... consider as so many tens , to join it to the following figure of that sum , and from the whole we take the sum of the column above it , we continue thus to the column of units , the sum of which being subtracted there should be no ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
adding answers antecedents arithmetical complement arithmetical means arithmetical progression arithmetical proportion borrow bushels called ciphers column comma commence composed compound numbers consequently contain the divisor cube root decimals denominator difference divide division example expressed extremes is equal feet four numbers four quantities fourth term fraction gallons geometrical means geometrical progression geometrical proportion given numbers gives greater greatest common divisor hundred hundredth inches kind last figure last term Lastly least common multiple manner method minus multi multiplicand nine number consisting number of tens operation partial dividend payments pence perform pounds preceding principal unit principle proposed logarithm proposed number question quotient ratio reduce remainder Rule of Three separate shillings signifies square root square yard subtract the product supposition suppress take the half tenths third thousand thousandths tion twice unit figure whole numbers
Δημοφιλή αποσπάσματα
Σελίδα 89 - ... 3 quarters, 1 ell Flemish, - - E. Fl 5 quarters, ------ 1 ell English, - - EE 6 quarters, ------ 1 ell French, - - E. Fr 27.
Σελίδα 2 - Congress of the United States, entitled "an act for the encouragement of learning, by securing the copies of maps, charts, and books, to the authors and proprietors of such copies, during the time therein mentioned." And also to an act entitled "an act supplementary to an act entitled an act for the encouragement of learning, by securing the copies of maps, charts, and books, to the authors and proprietors of such copies, during the times therein mentioned, and extending the benefits thereof to the...
Σελίδα 102 - Which proves that the square of a number composed of tens and units contains, the square of the tens plus twice the product of the tens by the units, plus the square of the units.
Σελίδα 89 - TABLE. 60 seconds (") make 1 minute, '. 60 minutes " 1 degree, . . . °. 30 degrees
Σελίδα 87 - APOTHECARIES WEIGHT. 20 grains gr. make - - 1 scruple, 9 3 scruples - . - 1 drachm...
Σελίδα 89 - TABL.E. 60 seconds (s.) - make - 1 minute, marked m. 60 minutes ------ 1 hour, - - - - h. 24 hours -------1 day, - - - - d. 7 days ------- 1 week, - - - - w. 4 weeks ------ 1 month, - - - - mo 13 months, 1 day and 6 hours, ) 1 common, or > or 365 days and 6 hours, ) Julian year, j IT 37.
Σελίδα 229 - The logarithm of any power of a number is equal to the logarithm of the number multiplied by the exponent of the power.
Σελίδα 197 - If the errors are alike, divide the difference of tire products by the difference of the errors, and the quotient will be the answer. 5. If the errors are unlike, divide the sum of the products by the sum of the errors, and the quotient will be the answer.
Σελίδα 155 - That is, the sum of the terms of an arithmetical progression is equal to half the sum of the two extremes multiplied by the number of terms.
Σελίδα 89 - ... gallons .... 1 barrel . . bar. 42 gallons .... 1 tierce . . tier. 63 gallons .... 1 hogshead . hhd. 84 gallons .... 1 puncheon . pun. 2 hogsheads ... 1 pipe, or butt.