Mathematical Dictionary and Cyclopedia of Mathematical Science: Comprising Definitions of All the Terms Employed in Mathematics - an Analysis of Each Branch, and of the Whole, as Forming a Single Science |
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Page 8
... less than the sum of all its aliquot parts thus , 12 is an abundant number , be- cause 12 < 1+ 2+ 3+ 4+ 6 . An ... less than a right angle . In de- grees , an acute angle is less than 90 ° . ACUTE - ANGLED TRIANGLE , is one that has all ...
... less than the sum of all its aliquot parts thus , 12 is an abundant number , be- cause 12 < 1+ 2+ 3+ 4+ 6 . An ... less than a right angle . In de- grees , an acute angle is less than 90 ° . ACUTE - ANGLED TRIANGLE , is one that has all ...
Page 13
... less than the given number : thus , 4 is an ali- quant part of 10 , because , being taken twice , the result is 8 , a number less than 10 , and being taken three times , the result is 12 , number greater than 10. Again , 6 shillings is ...
... less than the given number : thus , 4 is an ali- quant part of 10 , because , being taken twice , the result is 8 , a number less than 10 , and being taken three times , the result is 12 , number greater than 10. Again , 6 shillings is ...
Page 14
... less numerous . There will be several cases . We shall first discuss the general one , in which it is re- quired to find the amount of each simple of known value , which must be mixed so that each unit of the mixture shall have a given ...
... less numerous . There will be several cases . We shall first discuss the general one , in which it is re- quired to find the amount of each simple of known value , which must be mixed so that each unit of the mixture shall have a given ...
Page 15
... less than it , and the reverse . And so on , many other ways of linking can readily be conceived , and the number of ways becomes greater as the number of simples is increased . The following are cases that may arise : 1. When the ...
... less than it , and the reverse . And so on , many other ways of linking can readily be conceived , and the number of ways becomes greater as the number of simples is increased . The following are cases that may arise : 1. When the ...
Page 24
... less than the number of required parts , of transcendental magnitudes , such as the the problem is indeterminate ; if the number cycloid , logarithmic curve , curve of sines , of independent equations exceeds the num- tangents , & c ...
... less than the number of required parts , of transcendental magnitudes , such as the the problem is indeterminate ; if the number cycloid , logarithmic curve , curve of sines , of independent equations exceeds the num- tangents , & c ...
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Common terms and phrases
algebraic altitude application arithmetical axes base bisect calculus called centre chords circle circles of latitude co-ordinates cone conic conic sections conic surface conjugate constructed cube cubic equation curve cycloid decimal deduced degree denote diameter differential co-efficient directrix distance divided divisor draw drawn elements ellipse equa equal equation expression factors formula fraction function generatrix Geometry given greatest common divisor hence horizontal hyperbola infinite number intersection latitude length logarithm mathematical means measure meridian method multiplied nth root operation ordinate parabola parallel pass perpendicular plane polygon principal vertex principles projection quotient radius ratio regular polygon result rhumb line right angles roots rule scale sides sphere spherical square straight line surface taken tangent term tion transverse axis triangle Trigonometry unit unknown quantity variable vertex vertical vulgar fraction whole number
Popular passages
Page 87 - A Circle is a plane figure bounded by a curved line every point of which is equally distant from a point within called the center.
Page 275 - If two triangles have the three sides of the one equal to the three sides of the other, each to each, the triangles are congruent.
Page 26 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds.
Page 454 - Three lines are in harmonical proportion, when the first is to the third, as the difference between the first and second, is to the difference between the second and third ; and the second is called a harmonic mean between the first and third. The expression 'harmonical proportion...
Page 82 - Then multiply the second and third terms together, and divide the product by the first term: the quotient will be the fourth term, or answer.
Page 4 - This cyclopaedia of mathematical science defines, with completeness, precision, and accuracy, every technical term ; thus constituting a popular treatise on each branch and a general view of the whole subject. 50 The National Teachers
Page 462 - In any quadrilateral the sum of the squares of the four sides is equal to the sum of the squares of the diagonals, plus four times the square of the line joining the middle points of the diagonals.
Page 134 - Subtract the cube of this number from the first period, and to the remainder bring down the first figure of the next period for a dividend.
Page 453 - Four quantities are in proportion when the ratio of the first to the second is equal to the ratio of the third to the fourth.
Page 516 - Multiply the divisor, thus augmented, by the last figure of the root, and subtract the product from the dividend, and to the remainder bring down the next period for a new dividend.