Texas Instruments® TI-89 Titanium Graphing Calculator
160 X 100 pixel display.
2.7 MB flash memory.
Great for complex math functions.
Ideal for electrical and mechanical engineers-software tools included for analysis, equations and reference.
Solve systems of linear and nonlinear equations.
Physical constants and unit conversions.
Required or permitted on SAT, AP, & FE exams.
Four AAA batteries included.
Following address provides verification of approved calculators: http://ncees.org/exams/calculator-policy/