Having problems opening PowerPoint files? Try updating your version of PowerPoint from the Microsoft web site. Go to the the below link, click on the navigation frame to the left of your screen under "By Version" for the Office version that you have.
Chapter 1: http://mavspace.uta.edu/xythoswfs/webui/_xy-143261_1
Chapter 2: http://mavspace.uta.edu/xythoswfs/webui/_xy-518168_1
Chapter 3: http://mavspace.uta.edu/xythoswfs/webui/_xy-171761_1
Chapter 4: http://mavspace.uta.edu/xythoswfs/webui/_xy-178421_1
Chapter 5: http://mavspace.uta.edu/xythoswfs/webui/_xy-154360_1
Chapter 6: http://mavspace.uta.edu/xythoswfs/webui/_xy-162813_1
Chapter 7: http://mavspace.uta.edu/xythoswfs/webui/_xy-182569_1
Chapter 8: http://mavspace.uta.edu/xythoswfs/webui/_xy-210051_1
Chapter 9: http://mavspace.uta.edu/xythoswfs/webui/_xy-208801_1
Chapter 10 Updated 7 April:
http://mavspace.uta.edu/xythoswfs/webui/_xy-611962_1
Chapter 12: http://mavspace.uta.edu/xythoswfs/webui/_xy-249359_1
Chapter 13: http://mavspace.uta.edu/xythoswfs/webui/_xy-237326_1
Chapter 15: http://mavspace.uta.edu/xythoswfs/webui/_xy-249360_1