Constructive Text-book of Practical Mathematics, Volume 2J. Wiley & Sons, 1913 - Mathematics |
From inside the book
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Page 4
... directly with pen and ink whether in the classroom or outside . ( 3 ) DATE , AND PAGE NUMBER . Enter date on which work is prepared , in the upper right corner of the page about one and one - half inches from the top . Number each page ...
... directly with pen and ink whether in the classroom or outside . ( 3 ) DATE , AND PAGE NUMBER . Enter date on which work is prepared , in the upper right corner of the page about one and one - half inches from the top . Number each page ...
Page 6
... directly in India ink . As soon as possible learn to draw a light , smooth , drafts- man's line . ( 9 ) SYMBOLS . Make parentheses , equality signs , and other symbols carefully : parentheses with regular curves of the same height as ...
... directly in India ink . As soon as possible learn to draw a light , smooth , drafts- man's line . ( 9 ) SYMBOLS . Make parentheses , equality signs , and other symbols carefully : parentheses with regular curves of the same height as ...
Page 7
... directly to the instructor's desk by the collector . In the collector's absence the next student in the row will attend to the books . 8. Inspection . The remarks column on the record sheet is for the instructor's stamp . When the dater ...
... directly to the instructor's desk by the collector . In the collector's absence the next student in the row will attend to the books . 8. Inspection . The remarks column on the record sheet is for the instructor's stamp . When the dater ...
Page 31
... directly over the center of its base which is a regular polygon . The total area of a regular pyramid equals the area of the base Aь , plus the area of the sides AL . In the formula substitute for A , from problem 9 , and for A , from ...
... directly over the center of its base which is a regular polygon . The total area of a regular pyramid equals the area of the base Aь , plus the area of the sides AL . In the formula substitute for A , from problem 9 , and for A , from ...
Page 40
... directly in the formula of paragraph 36 . Cancel if possible . Double underline the final result as specified in paragraph 11 , page 8 . CHECK . To test the correctness of a result by solution by another method is called checking ...
... directly in the formula of paragraph 36 . Cancel if possible . Double underline the final result as specified in paragraph 11 , page 8 . CHECK . To test the correctness of a result by solution by another method is called checking ...
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Common terms and phrases
algebraic alignment angle antilog binomial coefficient column common logarithm completing the square cube root cylinder decimal point denotes determined diagrammatic setting diameter difference distance Divide division divisor duplex Electromotive Force Examples expansion expression factor feet force fractional exponents gage-point given number graduation hair-line horse-power Illustration integral figures least common denominator length log log logarithm Mannheim rule mantissa mathematics mean effective pressure method monomial Multiply natural number negative characteristic number of integral number of teeth obtained paragraph parenthesis polynomial pounds preceding pressure problem proportion pulley quotient r₁ radical radius ratio reduced resistance result revolutions per minute root index scale SECTION simplest form simplify sine slide slide-rule solution Solve the following Solve the formula specific gravity square inches square root substitute subtraction tangent temperature trinomial unknown quantity varies inversely varies jointly velocity volume weight work-book Write zero
Popular passages
Page 83 - It has been found by experiment that the weight of a body varies inversely as the square of its distance from the center of the earth. If a...
Page 219 - The logarithm of a number is the exponent of the power to which it is necessary to raise a fixed number, in order to produce the first number.
Page 29 - The hypotenuse of a right triangle is the side opposite the right angle. The sides including the right angle are sometimes called the arms of the right triangle.
Page 298 - The characteristic of a number less than 1 is found by subtracting from 9 the number of ciphers between the decimal point and the first significant digit, and writing — 10 after the result.
Page 81 - The velocity of a falling body varies as the time during which it has fallen from rest. If the velocity of a falling body...
Page 87 - It has been found by experiment that the distance a body falls from rest varies as the square of the time.
Page 45 - P = mean effective pressure in pounds per square inch; L = length of stroke in feet; A =area of piston in square inches; N = number of strokes per minute = revolutions per minute x 2.
Page 83 - The Volume of a Gas. The volume of a gas varies inversely as the height of the mercury in the barometer.
Page 242 - The logarithm of a fraction is equal to the difference obtained by subtracting the logarithm of the denominator from the logarithm of the numerator : log (os/6) = log a — log b. For, if 10' = a and 10£ •= b, then IQI-L — a _}.
Page 100 - Glasgow had already discovered in 1830 his "law of gaseous diffusion" ( the relative rates of diffusion of gases are inversely proportional to the square roots of the densities) when he began his work on the phosphoric acids.