TI-89 Titanium Programmable Graphing Calculator
#28
Texas Instruments

Texas Instruments TI-89 Titanium Programmable Graphing Calculator

Rating

Model: TI-89 Titanium
$79.99(incl. tax)Amazon price as of 2025-09-29
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Product Overview

The Texas Instruments TI-89 Titanium Programmable Graphing Calculator is designed for college math and engineering coursework. It features 16 preloaded software applications and memory management for organizing applications and subjects. The calculator has an icon desktop for easy access and a large display for split-screen views. It is compatible with data collection systems for real-world data analysis. This renewed product has been professionally inspected and tested.

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Product Specifications

Display Size
2.8Inches
Display Resolution
100 x 160pixels
Number of Functions
16functions
Graphing Functions
-types
Memory Size
-MB
Connectivity
-types
Power Source
Battery Poweredtype
Unit Weight
-grams
Programming Languages Supported
-languages
CAS (Computer Algebra System)
boolean

Size & Weight

Weight
0.01 ounces
Hight
10.8 inches
Width
7.6 inches
Depth
0.04 inches

Features

Color Display Function

This model does not have a color display function. Graphs and data are displayed in monochrome, which may limit clarity for some users when analyzing complex information. Color display is not supported.

High-Resolution Screen Function

This model does not feature a high-resolution screen. The screen resolution is 100 x 160 pixels, which may result in less detailed visuals compared to higher-resolution displays. High-resolution screen is not supported.

Rechargeable Battery Function

This model does not come with a rechargeable battery function. It uses disposable batteries, which may require frequent replacements for heavy users. Consider the long-term cost of battery replacements. Rechargeable battery is not supported.

3D Graphing Function

This model does not support 3D graphing, limiting its ability to visualize three-dimensional mathematical relationships. This may be a drawback for students and professionals in advanced math courses or engineering fields. 3D Graphing is not supported.

Computer Connectivity Function

This model does not offer computer connectivity via USB or wireless, limiting data transfer and software updates. This feature is not useful for creating reports, sharing data, and keeping the calculator up-to-date with the latest features. Computer connectivity is not supported.

CAS (Computer Algebra System) Function

This model includes a Computer Algebra System (CAS), allowing for symbolic calculations and algebraic manipulations. This simplifies complex mathematical operations, making it easier to focus on understanding the concepts. CAS is supported.

SHOPSTAFF Rating Score

#28
Ranked #28 out of 42 products in Category
3.9
Overall Rating

The TI-89 Titanium is a capable graphing calculator for college-level math and engineering. As a renewed product, its long-term durability is uncertain. It offers a good set of features for its price range, but lacks some of the advanced capabilities of newer models.

Processing Speed and Memory
4.0
The calculator's processing speed is adequate for most college-level tasks. The memory management system allows for organizing applications, but the limited memory size may become a constraint for complex projects.
Screen Resolution and Display
3.5
The screen resolution is relatively low, which may make it difficult to view intricate graphs and data clearly. The split-screen view is a useful feature, but the display quality could be better.
Functionality and Pre-loaded Apps
4.2
The 16 preloaded applications are a significant advantage, providing a range of tools for college math and engineering. The calculator supports various calculations, making it versatile for different coursework.
Ease of Use and User Interface
4.0
The icon desktop and memory management system make the calculator relatively easy to use. However, the interface may not be as intuitive as newer models, requiring some learning to use effectively.
Connectivity and Data Transfer
3.0
The calculator's compatibility with data collection systems is a plus, but the lack of USB or wireless connectivity limits its ability to transfer data to computers or other devices easily. Connectivity is not good.
Battery Life and Power Source
3.7
The calculator uses AA batteries, which are convenient but may require frequent replacements. Battery life is decent, but it is recommended to keep spare batteries on hand for extended use.
Manufacturer Reliability and Warranty
4.5
Texas Instruments is a reputable manufacturer with a long history of producing reliable calculators. As a renewed product, the warranty may be limited, but the brand's reputation provides some assurance of quality.
Cost Performance
4.0
Considering its price and features, this renewed calculator offers good value for students and professionals. However, potential buyers should be aware of the limitations associated with renewed products, such as possible cosmetic imperfections.

Brand & Manufacturer Details

Texas Instruments
Texas Instruments is a global technology company that designs and manufactures semiconductors and various integrated circuits.

Key Highlights

  • Preloaded software applications
  • Memory management
  • Compatibility with data collection systems
  • Good value for the price

Considerations

  • Screen may have imperfections due to being renewed
  • Battery life may be shorter than a new calculator
  • Handle with care to avoid damage

Recommended For

  • College students in STEM fields
  • Engineers
  • Mathematicians

Not Recommended For

  • Elementary school students
  • Individuals with basic calculation needs
  • Users requiring only simple graphing functions

Suitable For

  • College-level math courses
  • Engineering projects
  • Scientific research
  • Advanced data analysis

Not Suitable For

  • Basic arithmetic calculations
  • Simple graphing tasks
  • Use in elementary school settings
  • Situations requiring quick, non-complex calculations

Frequently Asked Questions (FAQ)

Q.Is this calculator suitable for college math and engineering courses?
A.Yes, this calculator is equipped with 16 preloaded software applications suitable for college math and engineering coursework.
Q.Is this a new calculator?
A.This is a renewed product, meaning it has been professionally inspected and tested to work and look like new. It is a pre-owned or refurbished product.
Q.What does 'Renewed' mean regarding this calculator?
A.A 'Renewed' product means a customer bought a new product and returned it. It has been inspected and tested to work and look like new by Amazon-qualified suppliers. If you're not satisfied, it's eligible for replacement or refund under the Amazon Renewed Guarantee.
Q.What is the screen like?
A.The calculator has a large 100 x 160 pixel display for split-screen views.
Q.What are the staff confirmations saying about the quality of this calculator?
A.Staff confirmations indicate that many customers are happy with the calculator's condition and functionality, especially considering it is a renewed item. However, some staff confirmations mention potential issues with the screen's brightness and clarity. Please note that this is a renewed product.
Q.What kind of batteries does the calculator require?
A.The calculator requires 4 AA batteries.
Q.Can I collect real-world data with this calculator?
A.Yes, it is compatible with CBL 2 system, CBR 2 motion sensor, vernier easylink and vernier easytemp systems to allow collection and analysis of real-world data.

SHOPSTAFF Rating Ranking

#1

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$214.46(incl. tax)Amazon price as of 2025-09-29

The TI-Nspire CX CAS is a graphing calculator with a color screen, CAS, and 3D graphing capabilities.

Display Size3.5 inchesDisplay Resolution- pixels
Number of Functions- functionsGraphing Functions3D types
Memory Size- MBConnectivity- types
Power SourceLithium Metal batteries typeUnit Weight- grams
Programming Languages Supported- languagesCAS (Computer Algebra System) boolean
Color Display FunctionHigh-Resolution Screen FunctionRechargeable Battery Function3D Graphing FunctionComputer Connectivity FunctionCAS (Computer Algebra System) Function
4.6Overall Rating
4.5Processing Speed and Memory
4.7Screen Resolution and Display
4.8Functionality and Pre-loaded Apps
4.5Ease of Use and User Interface
4.6Connectivity and Data Transfer
4.7Battery Life and Power Source
5.0Manufacturer Reliability and Warranty
4.0Cost Performance
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TI-Nspire CX II Color Graphing Calculator

$144.11(incl. tax)Amazon price as of 2025-09-29

The TI-Nspire CX II is a color graphing calculator with enhanced features for engaging students in STEM fields.

Display Size2.83 inchesDisplay Resolution- pixels
Number of Functions- functionsGraphing Functions- types
Memory Size- MBConnectivity- types
Power SourceBattery Powered typeUnit Weight- grams
Programming Languages SupportedPython, TI-Basic languagesCAS (Computer Algebra System)× boolean
Color Display FunctionHigh-Resolution Screen FunctionRechargeable Battery Function3D Graphing FunctionComputer Connectivity FunctionCAS (Computer Algebra System) Function
4.6Overall Rating
4.5Processing Speed and Memory
4.8Screen Resolution and Display
4.7Functionality and Pre-loaded Apps
4.3Ease of Use and User Interface
4.6Connectivity and Data Transfer
4.7Battery Life and Power Source
5.0Manufacturer Reliability and Warranty
4.0Cost Performance
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TI-Nspire CX II CAS Color Graphing Calculator

$149.99(incl. tax)Amazon price as of 2025-09-29

The TI-Nspire CX II CAS is a color graphing calculator with a rechargeable battery and student software bundle.

Display Size3.5 inchesDisplay Resolution320 x 240 pixels
Number of Functions- functionsGraphing FunctionsAnimated path plot, Dynamic coefficient values, Points by coordinates types
Memory Size- MBConnectivity- types
Power SourceRechargeable battery typeUnit Weight- grams
Programming Languages SupportedTI-Basic languagesCAS (Computer Algebra System) boolean
Color Display FunctionHigh-Resolution Screen FunctionRechargeable Battery Function3D Graphing FunctionComputer Connectivity FunctionCAS (Computer Algebra System) Function
4.5Overall Rating
4.5Processing Speed and Memory
4.7Screen Resolution and Display
4.6Functionality and Pre-loaded Apps
4.4Ease of Use and User Interface
4.0Connectivity and Data Transfer
4.7Battery Life and Power Source
5.0Manufacturer Reliability and Warranty
4.2Cost Performance
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TI-84 Plus CE Silver Graphing Calculator TI84PLSCESILVER

$154.89(incl. tax)Amazon price as of 2025-09-29

Enhanced screen readability with high-resolution backlit display. Lighter and thinner than earlier generations.

Display Size2.8 inchesDisplay Resolution- pixels
Number of Functions- functionsGraphing Functions- types
Memory Size3.0 MBConnectivity- types
Power SourceBattery Powered typeUnit Weight- grams
Programming Languages Supported- languagesCAS (Computer Algebra System)× boolean
Color Display FunctionHigh-Resolution Screen FunctionRechargeable Battery Function3D Graphing FunctionComputer Connectivity FunctionCAS (Computer Algebra System) Function
4.5Overall Rating
4.5Processing Speed and Memory
4.7Screen Resolution and Display
4.3Functionality and Pre-loaded Apps
4.6Ease of Use and User Interface
4.0Connectivity and Data Transfer
4.7Battery Life and Power Source
5.0Manufacturer Reliability and Warranty
4.2Cost Performance
#5

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TI-89 Titanium Graphing Calculator

Out of StockStatus as of 2025-09-29

The TI-89 Titanium is a graphing calculator with advanced functions, suitable for calculus, algebra, and statistics.

Display Size2.8 inchesDisplay Resolution100 x 160 pixels
Number of Functions- functionsGraphing FunctionsBasic, Parametric, Polar, Sequence, 3-D, Differential-equation types
Memory Size2.7 MBConnectivityUSB types
Power Source4 A batteries typeUnit Weight- grams
Programming Languages Supported- languagesCAS (Computer Algebra System) boolean
Color Display FunctionHigh-Resolution Screen FunctionRechargeable Battery Function3D Graphing FunctionComputer Connectivity FunctionCAS (Computer Algebra System) Function
4.5Overall Rating
4.7Processing Speed and Memory
4.5Screen Resolution and Display
4.8Functionality and Pre-loaded Apps
4.5Ease of Use and User Interface
4.6Connectivity and Data Transfer
3.7Battery Life and Power Source
5.0Manufacturer Reliability and Warranty
4.0Cost Performance