Textbook online supplementary materials:

http://www.hanyuwang.com/oldedition/en/htm_newlesson/mulu.htm

 (This site offers pronunciation drills, Chinese character stroke demonstrate, text videos)

Chinese display tutorial:

http://lingua.mtsu.edu/chinese-computing/faq/pc.html

Chinese Input tool:

Google pinyin: http://www.google.com/intl/zh-CN/ime/pinyin/

Online Chinese-English Dictionary:

• www.mdbg.net: also offers tools such as translation, writing practice, and flashcards.
• www.nciku.com: two way word search with handwriting recognition as well as other Chinese learning resources.
• www.yellowbridge.com:  Mandarin-English Talking Dictionary with handwriting recognition input option

Free Apps:

• Eudic (Chinese-English Dictionary) with handwriting recognition for iphone and ipad
• Ktdict C-E (Chinese-English dictionary) for iphone and ipad
• Chinese etymology (Chinese character history)
• Free Chinese Essentials by AccelaStudy
• iLearn Chinese Characters Lite: shows radical history, derived characters, and phrases