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A Far Nicer Arithmetic

  • Peter Hilton
  • Derek Holton
  • Jean Pedersen
Part of the Undergraduate Texts in Mathematics book series (UTM)

Abstract

Suppose you have to do an addition, say 357 + 586. How much do you need to know in order to know the last digit of the answer? Would the last digit of each summand be enough? Suppose, instead, that it’s a subtraction problem? A multiplication problem? A division problem?

Keywords

Residue Class Quadratic Residue Division Problem Subtraction Problem Special Modulus 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1997

Authors and Affiliations

  • Peter Hilton
    • 1
  • Derek Holton
    • 2
  • Jean Pedersen
    • 3
  1. 1.Mathematical Sciences DepartmentSUNY at BinghamtonBinghamtonUSA
  2. 2.Department of Mathematics and StatisticsUniversity of OtagoDunedinNew Zealand
  3. 3.Department of MathematicsSanta Clara UniversitySanta ClaraUSA

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