Youth's Columbian Calculator: Being an Introductory Course on Arithmetic for Beginners ... |
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Page 12
... PROOF . 5. Perform the operation a second time , agreeably to the Rule ; but in this case begin at the top ; or , reserve one of the given numbers , find the sum of all the rest , and thereto add the number reserved . ( See the 1st ...
... PROOF . 5. Perform the operation a second time , agreeably to the Rule ; but in this case begin at the top ; or , reserve one of the given numbers , find the sum of all the rest , and thereto add the number reserved . ( See the 1st ...
Page 13
... proof . What is the most certain method of proof ? Ans . A correct performance of all the operation . 6. Why do you carry one for every ten ? EXAMPLES . ( 1. ) 452 452 384 384 567 567 305 305 1708 sum . 1708 1256 1708 proof ...
... proof . What is the most certain method of proof ? Ans . A correct performance of all the operation . 6. Why do you carry one for every ten ? EXAMPLES . ( 1. ) 452 452 384 384 567 567 305 305 1708 sum . 1708 1256 1708 proof ...
Page 18
... must be 1 added to the next lower figure . PROOF . Add the remainder , or difference , to the less number , and their sum will be equal to the greater number . REVIEW . 2 . 1. How will you write numbers 18 SUBTRACTION .
... must be 1 added to the next lower figure . PROOF . Add the remainder , or difference , to the less number , and their sum will be equal to the greater number . REVIEW . 2 . 1. How will you write numbers 18 SUBTRACTION .
Page 19
... Proof . Take 13 from 24 , and 3 from the remainder . Take 15 from 27 , and 4 from the remainder . Take 17 from 30 ... proof . Examples . Explanation . - Begin in the place of units with 5 , and say 5 from 7 and 2 remain , which set down ...
... Proof . Take 13 from 24 , and 3 from the remainder . Take 15 from 27 , and 4 from the remainder . Take 17 from 30 ... proof . Examples . Explanation . - Begin in the place of units with 5 , and say 5 from 7 and 2 remain , which set down ...
Page 24
... and set down their sev- eral products , observing to carry one for every ten to the product of the next figure , and set down the whole of the last product . Proof . Multiply the multiplier by the multiplicand ; how- 24a MULTIPLICATION .
... and set down their sev- eral products , observing to carry one for every ten to the product of the next figure , and set down the whole of the last product . Proof . Multiply the multiplier by the multiplicand ; how- 24a MULTIPLICATION .
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Common terms and phrases
1st contains acres adapted Addition amount Arithmetic AVOIRDUPOIS Bring bush bushels bushels of wheat cents ciphers Columbian Calculator common schools Compound currency decimal denomination dimes district schools divide dividend Division divisor dollar 1000 mills drams DRY MEASURE eagle equal examined the Columbian examples feet figures following numbers furlongs gallons galls given numbers grains hhds hogsheads hundred inches less number MEASURE miles millions minuend minutes month multiplicand Multiply ounces paid pennyweights pints place of units poles Proof Public School pupil quarters quarts quotient Recite the table recommend Reduce remainder required the number REVIEW right-hand rules schools and academies seconds shillings Spanish real square subtract sugar teacher tens third term thousand Ticknor tion TROY WEIGHT VULGAR FRACTIONS weeks weight whole numbers Womelsdorf write yards
Popular passages
Page 30 - Find how many times the divisor is contained in the first figure, or figures, of the dividend, and, setting it directly under the dividend, carry the remainder, if any, to the next figure as so many tens.
Page 55 - SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq.
Page 54 - WEIGHT is used in weighing gold and silver. 24 grains (gr.) - make - 1 pennyweight - dwt. 20 pennyweights - " - 1 ounce - - oz. 12 ounces " - 1 pound - - Ib. APOTHECARIES' WEIGHT is used for compounding medicines, but not in selling them.
Page 81 - If the answer is to be greater, place the greater of the two remaining numbers for the second term, and the less number for the first term ; but if...
Page 55 - DRY MEASURE 2 pints (pt.) = 1 quart (qt.) 8 quarts =1 peck (pk.) 4 pecks = 1 bushel (bu...
Page 54 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...
Page 54 - AVOIRDUPOIS WEIGHT. 16 drams, dr. make 1 ounce, - - - - oz. 16 ounces - - - 1 pound, - - - - Ib. 28 pounds - - - 1 quarter, - - - qr. 4 quarters - - - 1 hundred weight, - cwt. 20 hundred weight, 1 ton, T.
Page 56 - TABLE. 60 seconds (sec.) make 1 minute, min. 60 minutes " 1 hour, h. 24 hours " 1 day da. 7 days " 1 week, wk. 365 days " 1 common year,. . .yr. 366 days " 1 leap year, yr. 12 calendar months
Page 80 - In any proportion, the product of the means is equal to the product of the extremes.
Page 56 - Thirty days hath September, April, June and November ; February twenty-eight alone, all the rest have thirtyone.