- 14:19, 26 February 2009 (diff | hist) . . (+329) . . Chapter 8- Problem 37 (current)
- 12:04, 17 February 2009 (diff | hist) . . (+540) . . N Chapter 10: Problem 32 (New page: Category:MA453Spring2009Walther If φ(7)=7 then φ(7^k)=7^k. So the powers of 7 run through the elements 1,7,19,13, which are half the elements of U(30). Then you have to find what ha...)
- 11:33, 10 February 2009 (diff | hist) . . (+520) . . Chapter 6: Problem 22
- 17:17, 2 February 2009 (diff | hist) . . (+256) . . N Chapter 3: Problem 10 (New page: Category:MA453Spring2009Walther U(20)=(1,3,7,9,11,13,17,19). ord(20)=8 ord(3)=ord(17)=ord(7)=ord(13)=4,ord(19)=ord(9)=ord(11)=2 So since no element has order 8, no element can genera...)
- 11:30, 29 January 2009 (diff | hist) . . (+183) . . Chapter 1 6 (current)
- 14:34, 21 January 2009 (diff | hist) . . (+3) . . Linley Johnson's Favorite Theorem (current)
- 14:33, 21 January 2009 (diff | hist) . . (+134) . . N Linley Johnson's Favorite Theorem (New page: My favorite theorem is the Fundamental Theorem of Calculus. It is made up of many parts and is essential many aspects of mathematics.)
- 14:17, 21 January 2009 (diff | hist) . . (+39) . . MA 453 Spring 2009 Walther Week 1