- 17:18, 19 September 2013 (diff | hist) . . (+313) . . Practice z transform computation 3 ECE438F13
- 16:55, 19 September 2013 (diff | hist) . . (+13) . . Practice Question inverse z transform 5 ECE438F13
- 16:52, 19 September 2013 (diff | hist) . . (+909) . . Practice Question inverse z transform 5 ECE438F13