Windows Video File: can be downloaded by right clicking, and using your browsers option to "save file as" to your computer. Windows users can use this format if they want to save the video for viewing with Windows Media Player at a later time.

MP3: can be downloaded by right clicking, and using your browsers option to "save file as" to your computer. MP3 audio files can be listened to using a variety of software, and can also be copyed to portable players for listening while on the go.

PDF: Click the PDF link to view a pdf of the supporting materials. Supporting materials are either presentation slides, document camera images, or black board shots. PDF files are generated dynamically by the PIRSA system once they have been requested.