Texas instruments TI-89 Titanium Programmable Graphing Calculator

Electronically upgradeable graphing calculator allows you to have the most up-to-date functionality and software applications. 16 preloaded graphing calculator software applications suitable for college math and engineering coursework. Memory management to create folders for specific applications or subjects. Icon desktop for easier access to applications and editors. Pretty Print shows equations and results with radical notation, stacked fractions and superscript exponents. Permitted for use on many state and standardized tests. Power Source(s): Battery; Display Notation: Graphic; Display Characters x Display Lines: 160 x 120; Memory: 188KB RAM; 2.7MB ROM.

Warranty	Manufacturer's limited one-year warranty.
Global Product Type	Graphing Calculators
Power Source(s)	Battery
Display Notation	Graphic
Display Characters x Display Lines	160 x 120
Calculators Memory	2.7MB ROM
Calculators Display Type	LCD
Case	Hard Case
Display Characters Height	2.4 mm
Percent Key(s)	No
Fraction Calculations	No
Fraction/Decimal Conversions	No
Decimal Function	No
+/- Switch Key	No
Currency Exchange Function	No
Metric Conversion	No
Backspace Key	Yes
Double Zero Key	No
Amortization	Yes
Base Number Calculations	Yes
Bond Calculations	No
Cash Flow Calculations	Yes
Complex Number Calculations	Yes
Confidence Interval Calculating	Yes
Cost/Sell/Margin	No
Date Calculations	No
Depreciation Calculations	No
Display Window Resolution	160 x 100
Entry Logic	Algebraic
Equation Editor	Yes
Grand Total Key	No
Graphing Functions	Zoom
Higher Mathematical Functions	Polynomial Equations
Hyperbolic Functions	Yes
Hypothesis Testing	Yes
Interest Rate Conversion	Yes
Item Count Function	No
Levels of Parentheses	Unlimited
Linear Regression	No
Loan Calculation	No
Logical (Boolean) Operations	Yes
Markup/Down Key	Yes
Matrices	Yes
Percent Add-On/Discount	No
Polar-Rectangular Conversion	Yes
Probability (Random Number)	No
Programming Steps	Within Memory Limits
Simultaneous Equations	Yes
Square Root Key	No
Tax Calculation	No
Time-Value-of-Money	Yes
Time/Date	Yes
Trig/Log Functions	Yes
Variable Regression	No
Variable Statistics	Two
Size	3.37 x 7.5
I/O Port	Yes
Replacement Batteries	Lithium
Product Biodegradability in Days	0
Package Includes	USB Cable
Pre-Consumer Recycled Content Percent	0%
Post-Consumer Recycled Content Percent	0%
Total Recycled Content Percent	0%