### ‘ι κίμε οι ςώόστερ -”ΐμτανγ ξώιτιξόρ

Ρεμ εμτοπΏσαλε ξώιτιξίρ στιρ σθμόηειρ τοποηεσΏερ.

### –εώιεςϋλεμα

 INTRODUCTION 9 PROPERTIES OF NUMBERS 55 COMMON FRACTIONS 72 DECIMAL FRACTIONS 97 CIRCULATING DECIMALS 120 COMPOUND NUMBERS 128 ALIQUOT PARTS 181 RATIO 187
 BANKING 256 EXCHANGED 271 ACCOUNTS CURRENT 282 STORAGE ACCOUNTS 288 COMPOUND INTEREST 295 ANNUITIES 303 PROPORTIONAL PARTS 315 INVOLUTION 330

 PERCENTAGE 202 APPLICATIONS OF PERCENTAGE 212 INTEREST 242
 SERIES 344 DUODECIMALS 350 MECHANICAL POWERS 80 360

### Ργλοωικό αποσπήσλατα

”εκΏδα 142 - COUNTING. 12 units or things make 1 dozen. 12 dozen " 1 gross. 12 gross " 1 great gross. 20 units
”εκΏδα 191 - The first and last terms of a proportion are called the extremes, and the two middle terms are called the means.
”εκΏδα 68 - ... any number divided by 9 will leave the same remainder as the sum of its digits divided by 9.
”εκΏδα 254 - Compute the interest to the time of the first payment ; if that be one year or more from the time the interest commenced, add it to the principal, and deduct the payment from the sum total If there be after payments made, compute the interest on the balance due to the next payment, and then deduct the payment as above ; and, in like manner, from one payment to another, till all the payments are absorbed; provided the time between one payment and another be one year or more.
”εκΏδα 26 - Multiplication is the process of taking one number as many times as there are units in another number.
”εκΏδα 41 - Subtract this product from the figures above it; to the remainder, bring down the next figure of the dividend, and divide as before, until all the figures of the dividend are brought down.
”εκΏδα 60 - The Greatest Common Divisor of two or more numbers is the greatest number that will exactly divide each of them. Thu4, 18 is the greatest, common divisor of 36 and 54, since it is the greatest number that will divide each of them without a remainder.
”εκΏδα 64 - The Least Common Multiple of two or more numbers is the least number that...
”εκΏδα 25 - How far is it from A to B, from B to C, and from C to D?
”εκΏδα 56 - A Prime Factor of a number is a prime number that will exactly Divide it; thus, the prime factors of 21 are the prime numbers 1, 3, and 7.