# A Course of Mathematics in Two Volumes for the Use of Academies, as Well as Private Tuition, Τόμος 1

S. Campbell, 1816

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### Περιεχόμενα

 Itoman JVotation 7 Multiplication 13 Reduction 23 Compound Addition 32 Golden Rule or Rule ºf Three 44 Vulgar Fractions 51 JAddition of Vulgar Fractions 61 Subtraction of Decimals 68
 Hrvolution t 199 Surds 205 Infinite Series 213 Piling of Balls 223 Simple Equations 230 Quadratic Equations 249 Resolution ºf cubic and Higher Equations 37 266 IJefnitions 275

 Pule of Three in Decimals 76 ICvolution 110 Single Position 135 Practical Questions 150 To compute Logarithms 161 Multiplication by Logarithms 167 Addition 175 Multiplication 181 Algebraic Fractions 188
 JºacionsTheorems 281 Of Ratios and Proportions 319 Of Planes and SolidsDefinitions 336 ipplications of Algebra to Geometry 402 Conic Sections 469 Elements of Isoperimetry 535 Problems relative to the Division of Surfaces 558 Construction of Geometrical Problems 571

### Δημοφιλή αποσπάσματα

Σελίδα 6 - Los números cardinales 0: zero 1: one 2: two 3: three 4: four 5: five 6: six 7: seven 8: eight 9: nine 10: ten 11: eleven 12: twelve 13: thirteen 14: fourteen 15: fifteen 16: sixteen 17: seventeen 18: eighteen 19: nineteen 20: twenty...
Σελίδα 285 - AB>AC-BC: that is, the difference of any two sides of a triangle is less than the third side.
Σελίδα 438 - All the interior angles of any rectilineal figure, together with four right angles, are equal to twice as many right angles as the figure has sides.
Σελίδα 187 - To reduce a mixed number to an improper fraction, Multiply the whole number by the denominator of the fraction, and to the product add the numerator; under this sum write the denominator.
Σελίδα 202 - Subtract its power from that term, and bring down the second term for a dividend. 3. Involve the root, last found, to the next lowest -power, and multiply it by the index of the given power for a divisor.
Σελίδα 290 - A perpendicular is the shortest line that can be drawn from a given point to a given line.
Σελίδα 86 - Then say, by the rule of three, as the sum of the given number and double the assumed cube is to the sum of the assumed cube and double the given number, so is the root of the assumed cube to the root required, nearly ; Or as the first sum is to the difference of the given and assumed...
Σελίδα 398 - Two ships of war, intending to cannonade a fort, are, by the shallowness of the water, kept so far from it, that they suspect their guns cannot reach it with effect. In order, therefore, to measure the distance, they separate from each other a quarter of a mile, or 440 yards ; then each ship observes and measures the angle which the other ship and the fort subtend, which angles are 83° 45
Σελίδα 355 - B draw chords BA, BC, to the two other points, and bisect these chords perpendicularly by lines meeting in O, which will be the centre. Then from the centre O, at the distance of any one of the points, as ( ) A, describe a circle, and it will pass through the two other points B, C, as required.
Σελίδα 56 - To reduce an improper fraction to a whole, or mixed number. Divide the numerator by the denominator, and the quotient will be the whole, or mixed number required.