Orton's Lightning Calculator and Accountant's Assistant

15 days 60 days 9 per cent acres aliquot amount answer base breadth cask ciphers circumference cistern column completes the product computing interest contain contents cost cube root cubic feet cubic foot cubic inches debit discount divide the product divisor left Drachms equal EXAMPLE 1.-What EXAMPLE.-How feet long find the interest foot Forfeiture of entire fractions gallons girth given number gives the interest gold GOLD COMMANDS Gunter's chain hence hogsheads inches thick joists last product length in feet mean diameter measure method mixed number multiplicand multiply the principal nearest unit NOTE number of days number of months Operation ounce payment perpendicular point off five point off three pounds present worth quotient rate per cent ratio reduced Required the interest result right hand figures RULE RULE.-Divide square feet square root Take one-third Troy weight unit figure vulgar fractions weight whole number yards