A System of Practical Mathematics: ... With a Plain Account of the Gregorian Or New Style ... By John Potter

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author, 1753 - 395 σελίδες

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Περιεχόμενα

To measure a Square ibid
52
To multiply Decimal Fractions ibid
58
To contract Division of Decimal Fractions
71
To find the Value of Decimal Fractions in the accustomary Diviſions
77
To reduce the Parts of Coin Weights Meaſures c into
85
Examples of the Square Root
95
Prob
97
Prob Page
101
To multiply Feet Inches and Parts by Feet Inches
109
a Parallelogram
122
To find the Area of a Rhomboides
123
To measure a Triangle ibid 57 Another Method of finding the Area of a Triangle the three Sides being given
126
To measure a Trapezium
127
any regular Polygon
129
To measure a Circle and its Parts
131
The Circumference being given to find the Diameter
132
The Diameter being given to find the Area without finding the Circumference
133
The Dimenfions of any of the Parts being given to find the Side of a Square equal to the Circle
134
The Area being given to find the Diameter ibid 68 The Area being given to find the Circumference 3
135
The Side of a Square being given to find the Diameter of a Circle 70 The Side of a Square being given to find the Circumference of a equal to the Sq...
136
A Sector or Segment of a Circle being given to find the Length of the ArchLine
137
To measure a Čector
138
To find the Area of a Segment of a Circle
139
To find the Area of an Ellepfis
141
To measure a Parabola
142
The Meafuring of Solids
143
To measure a Cube ibid 79 a Parallelopipedon
144
a Cylinder
145
a Cone
146
the Fruftum of a Cone
147
a Pyramid
148
the Fruftum of a Pyramid
149
a Globe
151
the Surface of a Globe
152
Arti Page
153
Of Carpenters Work ibid
178
Of Joyners
184
Of Paviours
190
to find the Angle oppofite the Bafe ibid 73 The Perpendicular and Angle oppofite given to find the Bafe
272
to find the Hypothenufe
273
to find the other Angle ibid 76 The Perpendicular and Bafe given to find the Hypothenufe ibid 77 to find one of the Angles
274
to find one of the Legs
276
Of oblique Spherical Trigonometry
277
Two Sides and an included Angle given to find the third Side
278
to find an Angle oppofite one of the Sides
281
Two Angles and a Side oppofite one of them given to find the third Angle
282
5 Two Sides and an Angle oppofite one of them given to find the third Side
283
to find the included Angle
286
Two Angles and the included Side given to find a Side oppofite to one of the given Angles
287
to find the third Angle
289
The three Sides given to find the Angles
290
The three Angles given to find the Sides
293
Of Aftronomy
294
Of the fmaller Circles
296
To project the Circles of the Sphere
298
To find the Suns Place in the Ecliptic
300
To find the Suns Declination and Afcenfion ibid 95 The Suns right Afcenfion and greatest Declination given to find his Place
304
The Suns prefent Declination given to find his Place
305
The Latitude of the Place and the Suns Declination given to find the Suns Altitude and the Hour of the Day when he is due Eaft or Weft
307
to find the Suns Altitude at Noon
308
to find the Suns Altitude and Azimuth at Six oClock
309
to find the Suns Amplitude and afcenfional Difference
310
To find the oblique Defcenfion
312
The Suns Declination and his Altitude at Six oclock given
314
The Hour of the Day and the Altitude of the Sun when in
320
The Altitude Declination and Azimuth of the Sun given to find
326
Of Dialling
338
cular
346
To find the Declination of a Plane ibid
356
To find the Golden Number Cycle of the Sun c
364
To find Eafter for the New Style
370
Of the Planetary Cycles
373
Mr Whit ons Cycle for Solar Eclipfes
382
To find the Moons Place in the Zodiac by Mr Whiftons grand
393
101
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Σελίδα 6 - Multiply all the numerators together for a new numerator, and all the denominators for a new denominator: then reduce the new fraction to its lowest terms.
Σελίδα 30 - Reduce compound fractions to simple ones, and mixt numbers to improper fractions ; then multiply the numerators together for a new numerator, and the denominators for. a new denominator.
Σελίδα 224 - As the base or sum of the segments Is to the sum of the other two sides, So is the difference of those sides To the difference of the segments of the base.
Σελίδα 147 - FRUSTUM, in mathematics ; a part of some solid body separated from the rest. The frustum of a cone is the part that remains, when the top is cut oft by a plane parallel to the base, and is otherwise called a truncated cone.
Σελίδα 361 - ... years, amounts to a whole day. By which the Vernal Equinox was anticipated ten days, from the time of the general council of Nice, held in...
Σελίδα 230 - When you have proved that the three angles of every triangle are equal to two right angles...
Σελίδα 361 - October, in 1582, to make the equinox fall on the twenty-first of March, as it did at the time of that council ; and to prevent the like variation for the future, he ordered that three days should be abated in every four hundred years by reducing the leap year at the close of each century for three successive centuries to common years, and retaining the leap year at the close of each fourth century only. This was at that time esteemed...
Σελίδα 147 - Multiply the diameters of the two bases together, and to the product add one third of the square of the difference of the diameters : then multiplying this sum by 7854...
Σελίδα 134 - Dimensions of any of the parts nf a Circle being given, to find the side of a square equal to the Circle. RULE. If the area of the circle be given, extract the square root of the area, which will be the side of a square equal to the circle : If the diameter or circumference be given, find the area by Art.
Σελίδα 132 - To find the area of a Circle. ' RULE. Multiply half the diameter by half the circumference, and the product is the area...

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