Arithmetricks

50 easy ways to add, subtract, multiply, and divide without a calculator

Contains fifty tricks and tips for doing addition, subtraction, multiplication and division quickly, without a calculator. Includes three appendixes on symbols, terms, and tables, parlor tricks, and number facts, and a chapter with answers to featured problems.

John Wiley
1995
9780329171858
book

Holdings

hidmidmiidnidwidlocation_codelocationbarcodecallnumdeweycreatedupdated
107962147720212296104728169102EIDE159EIDE051164513 JUL51315802161721736518457