1. Chapter 3
Coding Theory

2. 3.1 CONGRUENCE

11. 3.2 THE EUCLIDEAN ALGORITHM

18. 3.3 THE RSA METHOD

24. 3.4 ERROR-DETECTING AND ERROR-CORRECTING CODES

35. 3.5 MATRIX CODES

38. The Check Matrix of a Code

47. 3.6 MATRIX CODES THAT CORRECT ALL SINGLE-DIGIT ERRORS