EZ Blue Product Features:
- Protects your TI-84 and TI-89 Titanium calculator (except TI-84 Plus CE)
- 6 inch side ruler
- 6 centimeter top ruler
- XY axis template for quickly graphing perfect looking curves
- 12 reference parent functions that every math teacher wants you to master
- Perfect for students taking Geometry, Algebra, Trigonometry, Precalculus, Calculus
- Made in the USA
* Rulers, including this slide case, should not be used on the SAT, ACT and tests that prohibit the use of a ruler.