date topic
121 Aug Preface and Introduction
228 Aug What is congruence?
34 Sep Some two-dimensional geometry
411 Sep Symmetry
54 Oct The renaissance of algebra
623 Oct Complex numbers
71 Nov Symmetric polynomials and the Fundamental Theorem of Algebra
86 Nov Permutations and Lagrange's Theorem
914 Nov Solution to problem 8.7
1014 Nov Solution to problem 8.7 [Maple]