Part of the Undergraduate Texts in Mathematics book series (UTM)
This chapter is devoted to defining and studying Gauss's useful notion of congruence for integers.
KeywordsDigit Number Unit Digit Congruent Modulo Credit Card Number Linear Diophantine Equation
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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© Springer-Verlag Berlin Heidelberg 2009