# The Tutor's Guide: Being a Complete System of Arithmetic; with Various Branches in the Mathematics. To which is Added an Appendix, Containing Different Forms of Acquittances, Bills of Exchange, &c. &c

J. Crukshank, 1806 - 320 σελίδες

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### Περιεχόμενα

 BOOK II 24 Addition 111 Simple Interest 119 Barter 134 Fractions 140 PART III 155 Subtraction 197 Its 206
 Its 216 PART IV 223 Problems in Superficials 226 Questions for Exercise 259 Chronology 266 Examples on the Ter 273 PART VI 277 Bills of Exchange 303

### Δημοφιλή αποσπάσματα

Σελίδα 77 - ... dollars. How many days did he work, and how many days was he idle ? Ans.
Σελίδα 126 - There is a fish whose head is 6 inches long, and the tail is as long as the head and half the body, and the body is as long as the head and tail ; what is the length of the whole fish?
Σελίδα 165 - Opposite to each dividend, on the left hand, place such a number for a divisor, as will bring it to the next superior denomination, and draw a line between them.
Σελίδα 141 - Now .} of f- is a compound fraction, whose value is found by multiplying the numerators together for a new numerator, and the denominators for a new denominator.
Σελίδα 248 - Multiply the circumference of the base by the slant height or length of the side, and half the product 'will be the surface.
Σελίδα 172 - Reduce the fraction to its lowest terms, then extract the square root of the numerator for a new numerator, and the square root of the denominator for a new denominator.
Σελίδα 95 - A» the Amount of 100/ at the Rate and Time given : is to 100/ : : so is the Amount given : to the Principal required.
Σελίδα 137 - Hence, when the extremes and the number of terms are given, to find the sum of all the terms,- — Multiply £ the sum of the extremes by the number of terms, and the product will be the answer.
Σελίδα 142 - 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 227 - To fold the area of a Parallelogram, whether it be a Square, a Rectangle, a Rhombus, or a Rhomboides. RULE. Multiply the length by the height or perpendicular breadth, and the product will be the area.* * *DEMONSTSATION.