## Dictionary of the Mathematical and Physical Sciences, According to the Latest Improvements and Discoveries |

### From inside the book

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Page vi

The notation, and common operations are easily understood; and these being

once managed, a most beautiful field of speculation is opened up. The doctrine of

prime and composite numbers, the doctrines of

...

The notation, and common operations are easily understood; and these being

once managed, a most beautiful field of speculation is opened up. The doctrine of

prime and composite numbers, the doctrines of

**divisors**, of fractions, and of ratios,...

Page 24

He introduced the extraction of the roots of compound algebraic quantities; the

use of the terms binomial and residual; the use of the sign of equality, or =.

eletarius, in 1558, shewed that the root of an equation is one of the

last, ...

He introduced the extraction of the roots of compound algebraic quantities; the

use of the terms binomial and residual; the use of the sign of equality, or =.

eletarius, in 1558, shewed that the root of an equation is one of the

**divisors**of thelast, ...

Page 25

... the roots of equations; the number of impossible roots; the invention of

both surd and rational ; the resolution of problems, arithmetcal and geometrical ;

the linear construction of equations; approximating to the roots of all equations.

... the roots of equations; the number of impossible roots; the invention of

**divisors**,both surd and rational ; the resolution of problems, arithmetcal and geometrical ;

the linear construction of equations; approximating to the roots of all equations.

Page 26

... quantity is expressed by a single letter, the product is also denoted by writing

the letters without any sign. -- denotes that the quantity before it is to be divided

by the quantity after ; and the same thing is indicated by writing the

...

... quantity is expressed by a single letter, the product is also denoted by writing

the letters without any sign. -- denotes that the quantity before it is to be divided

by the quantity after ; and the same thing is indicated by writing the

**divisor**before...

Page 112

COMMON Measure or

other numbers without leaving a remainder; and the greatest of such

called the greatest common measure, or greatest common

COMMON Measure or

**Divisor**, in Arithmetic, is that number which will divide twoother numbers without leaving a remainder; and the greatest of such

**divisors**iscalled the greatest common measure, or greatest common

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Dictionary of the Mathematical and Physical Sciences: According to the ... James Mitchell No preview available - 2017 |

Dictionary of the Mathematical and Physical Sciences: According to the ... James Mitchell No preview available - 2017 |

### Common terms and phrases

absciss Algebra altitude appears Arithmetic Astronomy axis body called centre circle co-efficients conic sections consequently cosine cube curve cycloid cylinder degree denominator denote diameter distance diurnal motion divided divisor earth ecliptic ellipse equa equal equation feet figure fluid fluxion force formula fraction frustrum Geometry given glass gravity greater greatest heat Hence horizon hyperbola inches instrument latitude length less logarithm longitude means measure mercury meridian method moon motion multiplied neral object observed orbit ordinate parabola parallax parallel passing perihelion perpendicular plane poles produced proportion quantity radius ratio rays refraction right angles right ascension right line roots side signs sine solid space specific gravity sphere spherical square stars subtangent supposed surd surface tangent telescope tion triangle tube velocity weight whence wind

### Popular passages

Page 456 - A sphere is a solid bounded by a curved surface, every point of which is equally distant from a point within called the center.

Page 524 - In higher works on trigonometry, it has been demonstrated that, in any triangle, the sines of the angles are proportional to the lengths of the sides opposite to them. In other words, sin A : sin B :: BC : AC; or, sin A : sin C:: BC : AB, and sin B : sin C::AC : A B. Hence, we have sin 44° 40' : sin 56° 20

Page 312 - A law presupposes an agent ; for it is only the mode, according to which an agent proceeds : it implies a power ; for it is the order, according to which that power acts. Without this agent, without this power, which are both distinct from itself, the law does nothing ; is nothing. The expression, ' the law of metallic nature...

Page 209 - ... winch, with as little labour as it takes to wind up a jack, though the weight of the iron, tin, and wooden circle, is about 1000 pounds.

Page 78 - In foul weather, when the mercury rises much and high, and so continues for two or three days before the foul weather is quite over, then expect a continuance of fair weather to follow.

Page 215 - Specific Gravity of a body is the relation of its weight, compared with the weight of some other body of the same magnitude. A body immersed in a fluid will sink if its specific gravity be greater than that of the fluid; but if it be less, the body will rise to the top, and will be only partly uncovered.

Page 490 - ... the object he views. There is no small speculum, but the magnifiers are applied immediately to the first focal image. From the opening of the telescope, near the place of the eye glass, a speaking-pipe runs down to the bottom of the tube, where it...

Page 412 - Multiply the numerators together for a new numerator, and the denominators together for a new denominator.

Page 467 - And in measuring any of these station-distances, mark accurately where these lines meet with any hedges, ditches, roads, lanes, paths, rivulets, &c ; and where any remarkable object is placed, by measuring its distance from the station-line ; and where a perpendicular From it cuts that line. And thus as you go along any main...

Page 15 - ... of the motion seemed to be from the upper part downwards. It appears also that they were in some danger of having the balloon burnt altogether; as the Marquis observed several round holes made by the fire in the lower part of it, which alarmed him considerably, and, indeed, not without reason.