Constructive Text-book of Practical Mathematics, Volume 2J. Wiley & Sons, 1913 - Mathematics |
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Page 224
... mantissa . The decimal part only , is given in the tables . 231. Accurate Use of the Tables . The above direction for using the index finger of the left hand is given in order to secure speed and accuracy in the use of the tables . It ...
... mantissa . The decimal part only , is given in the tables . 231. Accurate Use of the Tables . The above direction for using the index finger of the left hand is given in order to secure speed and accuracy in the use of the tables . It ...
Page 225
... mantissa is the same . In reading mantissas , therefore , disregard decimal points in the natural numbers . 235. A Negative Characteristic . The mantissas of the logarithms of all numbers are positive but the character- istics may be ...
... mantissa is the same . In reading mantissas , therefore , disregard decimal points in the natural numbers . 235. A Negative Characteristic . The mantissas of the logarithms of all numbers are positive but the character- istics may be ...
Page 226
... mantissas ( determined by direction I ) . 237. A Number Having Four Figures . Direction II . To read the logarithm ... mantissa of the logarithm of any number containing four figures is always to be found in the same horizontal line as ...
... mantissas ( determined by direction I ) . 237. A Number Having Four Figures . Direction II . To read the logarithm ... mantissa of the logarithm of any number containing four figures is always to be found in the same horizontal line as ...
Page 228
... mantissa of the next higher number of four figures , 6422 , and the mantissa of 6421 ( the first four figures ) , by the remaining figures of the given number with a decimal point before them . Add this product to the logarithm of the ...
... mantissa of the next higher number of four figures , 6422 , and the mantissa of 6421 ( the first four figures ) , by the remaining figures of the given number with a decimal point before them . Add this product to the logarithm of the ...
Page 229
... mantissa when the number has more than four figures . The entries in the column are as follows : The numbers at the top of each group are differences , those at the left are the figures of the natural number , and those in the several ...
... mantissa when the number has more than four figures . The entries in the column are as follows : The numbers at the top of each group are differences , those at the left are the figures of the natural number , and those in the several ...
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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.