The above PowerPoint lecture files are labeled by the date of the lecture, also with the chapter of the material. Assuming that the Microsoft PowerPoint program has been installed on your computer, clicking on the file name will download and display the file. I often edit my lecture files after giving the lecture to clarify some slides or to add answers to PRS questions so you should print out the slides a few days after the lecture if you want an "official" copy.
After a given lecture, answers to PRS questions will be added in the "Notes" box under the slide containing the PRS question. You have to tell PowerPoint to present the slide in "Normal" view to see the note box, which you can do by clicking on the menu "View" and submenu "Normal", or by clicking on the small "Normal view" icon at the far lower left of the PowerPoint screen. Occasionally, further information will be available in the notes for non-PRS slides also.
If you wish to print out a lecture file for taking notes in class or to read away from the computer, a good way to proceed is the following: