[52] Here the 4s. from the dividend is taken in.
[53] Here the 3d. from the dividend is taken in.
[54] Sufficient tables for all common purposes are contained in the article on Interest in the Penny Cyclopædia; and ample ones in the Treatise on Annuities and Reversions, in the Library of Useful Knowledge.
[55] This rule is obsolete in business. When a bill, for instance, of £100 having a year to run, is discounted (as people now say) at 5 per cent, this means that 5 per cent of £100, or £5, is struck off.
[56] This question does not at first appear to fall under the rule. A little thought will serve to shew that what probably will be the first idea of the proper method of solution is erroneous.
[57] The teacher will find further remarks on this subject in the Companion to the Almanac for 1844, and in the Supplement to the Penny Cyclopædia, article Computation.
[58] And at discretion one hundredth more for a large fraction of three inches.
[59] The student should remember all the multiples of 4 up to 4 × 25, or 100.
[60] The treatises on book-keeping have described this difference in as peculiar a manner. They call these accounts the fictitious accounts. Now they represent the merchant himself; their credits are gain to the business, their debits losses or liabilities. If the terms real and fictitious are to be used at all, they are the real accounts, end all the others are as fictitious as the clerks whom we have supposed to keep them.
[61] This theorem shews that what is called reducing a fraction to its lowest terms (namely, dividing numerator and denominator by their greatest common measure), is correctly so called.