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
... half is a fractional number ; three - fourths is a fraction . Whole units are called integers . 6. A number which we express without signifying the spe- cies of the units , as when we say simply three or three times , four or four times ...
... half is a fractional number ; three - fourths is a fraction . Whole units are called integers . 6. A number which we express without signifying the spe- cies of the units , as when we say simply three or three times , four or four times ...
Σελίδα 59
... half of ten times the given number , I have five times , as was required . To multiply by 25 . Place two ciphers on the right of the given number , and di- vide by 4. Thus , if we have 898453 to multiply by 25 , we may operate as ...
... half of ten times the given number , I have five times , as was required . To multiply by 25 . Place two ciphers on the right of the given number , and di- vide by 4. Thus , if we have 898453 to multiply by 25 , we may operate as ...
Σελίδα 63
... half , the third , the fourth , the fifth , the twen- tieth , the thirtieth , etc. of a number , is to divide this number by 2 , 3 , 4 , 5 , 20 , 30 , etc. , or to separate it into 2 , 3 , 4 , 5 , 20 , 30 , etc. equal parts , in order ...
... half , the third , the fourth , the fifth , the twen- tieth , the thirtieth , etc. of a number , is to divide this number by 2 , 3 , 4 , 5 , 20 , 30 , etc. , or to separate it into 2 , 3 , 4 , 5 , 20 , 30 , etc. equal parts , in order ...
Σελίδα 65
... half of the other figures which we shall consider pounds . If in taking this half there remains a unit , we shall count it for ten shillings in placing it on the left of the figure we first separated . For example , if we would have the ...
... half of the other figures which we shall consider pounds . If in taking this half there remains a unit , we shall count it for ten shillings in placing it on the left of the figure we first separated . For example , if we would have the ...
Σελίδα 68
... half , two- thirds . 82. The numerator then shows how many parts of a unit the quantity represented by the fraction contains ; and the denominator makes known the value of these parts , in signi- fying how many such parts there must be ...
... half , two- thirds . 82. The numerator then shows how many parts of a unit the quantity represented by the fraction contains ; and the denominator makes known the value of these parts , in signi- fying how many such parts there must be ...
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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.