For the best experience,
we recommend updating your browser to the most
recent version. General browser requirements are
Firefox and Microsoft Internet Explorer 7 or higher.
NOTE: Safari or Opera browsers
are not recommend for use with
this online curricula.
Viewing videos requires
you to have the basic free RealOne Player or RealPlayer
8 installed on your computer. You do not need to pay
for the Player or any subscription service —
follow the links to the FREE RealOne Player.
Please visit the RealOne
Player help page if you are experiencing problems
with audio and video playback. If you are behind a
security firewall and the audio/video does not play,
see your network administrator about streaming media.
To view or print PDF files,
the free Adobe
Reader® should be installed on your computer.
To report technical problems, please contact us.
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