Calculator Requirements

Algebra 1 - TI-30XS MultiView
Algebra 2 - TI-30XS MultiView
Algebra 2 Honors - TI 84+ CE
Geometry - TI-30XS MultiView
Pre-Calculus - TI 84+ CE
Calculus - TI 84+ CE
Statistics - TI-30XS MultiView

Amazon Links to Calculators

TI-30XS MultiView
TI-84+ CE
TI-84+ CE Silver
- Same as the 84+ but with more memory and many more downloadable applications
TI-Nspire
- Newest mode, much faster, much bigger screen, some models have a rechargeable battery pack
- Cost is generally higher
- CAS version is not allowed on the ACT. It is allowed on the SAT.

TI Links

For additional information on the calculators, see the following links.
TI Scientific Calculators
TI Graphing Calculators