The following are some tools that may be useful.
Mathematics Blackline Masters P-9 ----an excellent website that has Word documents and PDF documents of templates for manipulatives and other useful tools.
Tutorials
for the TI-83/TI-84 graphing calculator:
http://mathbits.com/mathbits/TISection/Openpage.htm
http://hotmath.com/graphing_calculators/ti84_movie_index.html
http://www.watchmeware.com/ti83ptutor.html
http://www.prenhall.com/divisions/esm/app/graphing/ti83/index.html
(targets college students)
Tutorials
for the TI-73 graphing calculator:
http://hotmath.com/graphing_calculators/ti73_movie_index.html