Constructive Text-book of Practical Mathematics, Volumen1J. Wiley & sons, Incorporated, 1912 |
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Página 6
... Symbols . Make parentheses , equality signs , and other symbols carefully : parentheses with regular curves of the same height as the quantities enclosed , the lines of the equality sign exactly the same length and about one - eighth of ...
... Symbols . Make parentheses , equality signs , and other symbols carefully : parentheses with regular curves of the same height as the quantities enclosed , the lines of the equality sign exactly the same length and about one - eighth of ...
Página 9
... Symbols of Arithmetic . All computation is carried on through the use of the following symbols : 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 0 . These symbols are called numbers , digits , or figures , figures being the usual name . The last is ...
... Symbols of Arithmetic . All computation is carried on through the use of the following symbols : 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 0 . These symbols are called numbers , digits , or figures , figures being the usual name . The last is ...
Página 15
... symbol X , between two numbers , means that they are to be multiplied together . The result of multiplication is called the product . Thus 125X116X92 denotes that 125 is to be multiplied by THE FUNDAMENTAL OPERATIONS 15.
... symbol X , between two numbers , means that they are to be multiplied together . The result of multiplication is called the product . Thus 125X116X92 denotes that 125 is to be multiplied by THE FUNDAMENTAL OPERATIONS 15.
Página 32
... ( 1 ) and ( 2 ) are the formulation of the two laws , and are called formulas . Why they are so called will be evident from the following : DEFINITION . A formula is an expression in symbols , 32 29 INDUSTRIAL MATHEMATICS.
... ( 1 ) and ( 2 ) are the formulation of the two laws , and are called formulas . Why they are so called will be evident from the following : DEFINITION . A formula is an expression in symbols , 32 29 INDUSTRIAL MATHEMATICS.
Página 33
... symbols , of the exact mathematical relation of two or more quantities . Thus P is the symbol for pitch , n the symbol for the number of threads per inch , and d the symbol for depth . You will observe that each symbol in this instance ...
... symbols , of the exact mathematical relation of two or more quantities . Thus P is the symbol for pitch , n the symbol for the number of threads per inch , and d the symbol for depth . You will observe that each symbol in this instance ...
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Términos y frases comunes
10-thousandths acute angle amperes apothem avoirdupois belt boiler circumference Compute and fill Compute the horse-power Compute the number Compute the weight cosine cubic foot cubic inches cylinder decimal places decimal point denotes depth determined dimensions distance divided division divisor Draw effective pull engine equals equation exponent feet per minute following table formula Formulate and compute fraction frustum gallons graduation hypotenuse inches in diameter integral figures kilowatts lathe leadscrew logarithm mantissa Measure meter metric micrometer motor multiplied notation number of revolutions number of threads omitted entries paragraph number piece piston pitch pounds preceding pressure pulley pump radius ratio reading regular polygon revolutions per minute right triangle rule scale screw screw thread SECTION shown side sine slide-rule Solve the following spindle square inch standard thread stroke subtracted tangent thimble threads per inch units velocity vernier voltage volume work-book
Pasajes populares
Página 28 - Divide as in whole numbers, and point off" as many decimal places in the quotient as the number of decimal places in the dividend exceeds the number in the divisor.
Página 448 - In a triangle, the square of any side is equal to the sum of the squares of the other two sides minus...
Página 208 - How many cubic yards of earth must be .removed in digging a cellar 36 ft.
Página 401 - The characteristic of the logarithm of a number greater than unity, is one less than the number of integral figures in the given number.
Página 28 - If the number of decimal places in the dividend is less than the number in the divisor, annex ciphers to the dividend till there are as many or more decimal places as in the divisor.
Página 177 - Add together the first ordinate, the last ordinate, twice, the sum of the other odd ordinates, and four times the sum of the even ordinates. Multiply this sum by the extreme length of the diagram, and divide the FIG.
Página 383 - Hence the characteristic is n — 1 ; that is, the characteristic of the logarithm of a number greater than unity is less by one than the number of digits in its integral part, and is positive.
Página 57 - J, is called reducing the fraction to its lowest terms. A fraction is said to be in its lowest terms when no number greater than 1 will divide its numerator and denominator without a remainder.
Página 389 - The logarithm of the quotient of two positive numbers is found by subtracting the logarithm of the divisor from the logarithm of the dividend. (6) The logarithm of a power of a positive number is found by multiplying the logarithm of the number by the exponent of the power. For, N" = (oT)
Página 225 - Specific Gravity. The specific gravity of a substance is the ratio of the weight of the substance to the weight of the same volume of...