Constructive Text-book of Practical Mathematics, Volume 2J. Wiley & Sons, 1913 - Mathematics |
From inside the book
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Page 5
... observe that W is not an inverted M , nor M an inverted W. Observe also particularly how R and G are made . ( 6 ) TITLE PAGES . Letter title pages in India ink without punctuation , for the subject and for each chapter . Insert these in ...
... observe that W is not an inverted M , nor M an inverted W. Observe also particularly how R and G are made . ( 6 ) TITLE PAGES . Letter title pages in India ink without punctuation , for the subject and for each chapter . Insert these in ...
Page 6
... Observe that the record sheet provides for a complete record of the mathematics work and is a time sheet for all studies . Whenever work is to be submitted attach it to the record sheet on which fill in the entries denoted by the column ...
... Observe that the record sheet provides for a complete record of the mathematics work and is a time sheet for all studies . Whenever work is to be submitted attach it to the record sheet on which fill in the entries denoted by the column ...
Page 14
... Observe that the numer- ical factor always precedes the literal , and that literal factors are arranged in alphabetic order . By the law of multiplication of fractions , multiply B A by Α 3 S ; 4 by by Ti 6R 70 30x by 11 5 2D 9BR by by ...
... Observe that the numer- ical factor always precedes the literal , and that literal factors are arranged in alphabetic order . By the law of multiplication of fractions , multiply B A by Α 3 S ; 4 by by Ti 6R 70 30x by 11 5 2D 9BR by by ...
Page 61
... Observe that in orthogonal projection perpendiculars are drawn to the line on which projection is to be made . Draw the figure again in the work - book and project AB on RL . Specify the projection . Draw Fig . 58 to an enlarged scale ...
... Observe that in orthogonal projection perpendiculars are drawn to the line on which projection is to be made . Draw the figure again in the work - book and project AB on RL . Specify the projection . Draw Fig . 58 to an enlarged scale ...
Page 67
... observing the con- vention that a multiplier of a sine , cosine , or tangent , is written preceding and not following these functions . The equations obtained by clearing ( 1 ) and ( 2 ) of fractions may be used as formulas for ...
... observing the con- vention that a multiplier of a sine , cosine , or tangent , is written preceding and not following these functions . The equations obtained by clearing ( 1 ) and ( 2 ) of fractions may be used as formulas for ...
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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.