Product Overview
The Texas Instruments TI-Nspire CX II CAS is a color-screen graphing calculator designed for mathematics, science, statistics, engineering coursework, and programming. It belongs to the second-generation TI-Nspire CX family introduced in 2019. The CAS designation indicates that this version includes a Computer Algebra System capable of performing symbolic mathematical operations in addition to numerical calculations.
The handheld uses a 320 × 240-pixel backlit color display with 16-bit color and 125 DPI resolution. It provides more than 90 MB of user storage and 64 MB of operating memory. Power is supplied by a replaceable TI rechargeable lithium-ion battery, while a USB Mini-B connection supports charging, computer communication, and communication with compatible TI-Nspire handhelds.
Built-in applications cover calculations, graphing, geometry, lists and spreadsheets, data and statistics, and notes. Supported graphing modes include function, parametric, polar, sequence, and 3D graphing. Current TI-Nspire CX II operating systems also support Python programming. Because CAS functionality is restricted on some standardized examinations, users should verify current calculator policies for each specific test.
Product Information
Identification
| Field | Information |
|---|---|
| Brand | Texas Instruments |
| Manufacturer | Texas Instruments |
| Category | Graphing calculator |
| Series | TI-Nspire CX II |
| Model | TI-Nspire CX II CAS |
| UPC | 033317208449 |
| GTIN-12 | 033317208449 |
| ASIN | B07RL7HM5V |
Physical Information
| Field | Information |
|---|---|
| Color | Blue |
| Dimensions | 7.50 × 3.42 × 0.62 in |
| Weight | 0.54 lb |
| Display Type | Backlit color LCD |
| Display Size | 3.2 in diagonal |
| Display Resolution | 320 × 240 pixels |
| Display Color Depth | 16-bit color |
| Display Density | 125 DPI |
Product Identifier Summary
Product identifiers help distinguish the CAS version from the standard TI-Nspire CX II and from earlier TI-Nspire CX calculators.
- Model Number: Identifies the calculator family and feature configuration. The CAS designation is particularly important because it identifies symbolic algebra capabilities not present in every TI-Nspire model.
- MPN: A manufacturer part number identifies a specific commercial product configuration. A separate verified MPN is omitted rather than inferred from third-party catalog records.
- UPC: A 12-digit barcode identifier used for inventory, distribution, and product matching in North America.
- EAN: A standardized international barcode format related to the broader GTIN system. A separate verified EAN is omitted.
- GTIN: The Global Trade Item Number system provides standardized identifiers for commercial products. A UPC-A barcode is represented as a GTIN-12.
- ASIN: A catalog-specific identifier associated with this particular online product record. It is separate from Texas Instruments’ product-family naming.
- ISBN: An identifier used for books and certain published materials. It does not apply to the calculator hardware.
Common Uses
The TI-Nspire CX II CAS supports mathematical, scientific, statistical, and programming work across secondary and postsecondary education. Specific classroom and examination use depends on course requirements and calculator policies.
- Graphing functions and equations
- Performing symbolic algebra with CAS
- Solving equations and systems of equations
- Working with derivatives and integrals
- Analyzing functions and their graphs
- Working with matrices and vectors
- Performing statistical analysis
- Creating lists and spreadsheets
- Exploring geometry
- Working with scientific and engineering calculations
- Studying probability and statistics
- Writing and running supported programs
- Learning Python programming with a compatible operating system
- Collecting and analyzing data with compatible TI and supported sensor equipment
Maintenance & Care
The calculator should be stored in a dry environment and protected from excessive heat, moisture, impact, and pressure on the display. The supplied slide case can protect the keyboard and screen during transportation and storage.
The exterior and display can be cleaned with a soft cloth. Liquids should not be allowed to enter the USB connector, keyboard, or other openings. Solvents and abrasive cleaning materials should be avoided.
The rechargeable battery should be charged using compatible Texas Instruments charging hardware or the supported USB connection. Operating-system updates can be installed using compatible TI software and connectivity tools. Important documents should be backed up before major software maintenance when practical.
Safety Information
- The calculator contains a rechargeable lithium-ion battery.
- Use compatible charging equipment and follow Texas Instruments battery instructions.
- Do not expose the calculator or battery to fire, excessive heat, or damaging moisture.
- Do not use a battery that is swollen, leaking, punctured, or otherwise physically damaged.
- Do not short-circuit battery contacts.
- Keep the USB connector dry before connecting a cable.
- Dispose of or recycle lithium-ion batteries according to applicable local requirements.
- The TI-Nspire CX II CAS battery is documented as a rechargeable 3.7-volt, 1,200 mAh lithium battery configuration.
- Battery documentation identifies compliance testing under UN 38.3 requirements for lithium-battery transportation.
Technical Specifications
| Specification | Value |
|---|---|
| Calculator Type | CAS color graphing calculator |
| Computer Algebra System | Yes |
| CAS Disable Function | Supported |
| Display | Backlit color LCD |
| Display Resolution | 320 × 240 pixels |
| Display Density | 125 DPI |
| Color Depth | 16-bit |
| Storage Memory | 90+ MB |
| Operating Memory | 64 MB |
| Power Source | TI Rechargeable Battery |
| Battery Type | Rechargeable lithium-ion |
| Battery Nominal Voltage | 3.7 V |
| Battery Capacity | 1,200 mAh |
| Battery Energy | 4.4 Wh |
| Computer Connection | USB |
| USB Cable Type | Standard USB-A to Mini-B |
| Function Graphing | Supported |
| Parametric Graphing | Supported |
| Polar Graphing | Supported |
| Sequence Graphing | Supported |
| 3D Graphing | Supported |
| Python Programming | Supported with compatible current operating system |
| Graph Styles | 6 |
| Graph Colors | 15 |
| Interactive Zoom Features | 11 |
| Image File Support | JPG, JPEG, BMP, PNG |
Product History
Texas Instruments introduced the TI-Nspire CX II family in March 2019 as the successor to the original TI-Nspire CX generation. The second-generation family launched with both standard TI-Nspire CX II and TI-Nspire CX II CAS versions.
The CX II generation introduced a faster processor and updated interactive mathematics and programming features while retaining the document-based TI-Nspire interface. Texas Instruments described the processor as approximately 2.5 times faster than the preceding generation.
Software support has continued after the hardware launch. Later operating-system releases added Python programming to the TI-Nspire CX II family. Texas Instruments continues to publish operating-system updates, guidebooks, programming documentation, and computer connectivity software for the platform.
Key Features
- Integrated Computer Algebra System
- Symbolic and numerical mathematics
- Backlit color display
- Function, parametric, polar, sequence, and 3D graphing
- Multiple graphs displayed and analyzed within the same workspace
- Interactive geometry tools
- Lists and spreadsheet application
- Data and statistics application
- Notes application with mathematical expressions
- Matrix calculations including inverse, determinant, and reduced row echelon form
- Eigenvalue and eigenvector calculations
- Interactive analysis of roots, extrema, derivatives, and integrals
- Python programming support with compatible OS versions
- Rechargeable battery system
- USB computer connectivity
- Unit-to-unit communication with compatible TI-Nspire handhelds
- Press-to-Test functionality
- Document-based file organization
Package Contents
- TI-Nspire CX II CAS graphing calculator
- TI Rechargeable Battery
- Protective slide case
- Standard USB-A to Mini-B cable
- Product documentation
Compatibility
The TI-Nspire CX II CAS uses the TI-Nspire document and software ecosystem. It can communicate through USB with compatible computer software and with other supported TI-Nspire family graphing calculators.
Current TI-Nspire CX II operating systems support Python programming. Texas Instruments also provides TI-Nspire CX software for compatible computer environments, allowing supported documents and activities to be transferred between the handheld and computer.
The calculator works with selected TI-Nspire educational accessories, including compatible data-collection equipment. Compatibility should be checked against the specific accessory because not every Texas Instruments calculator accessory uses the TI-Nspire interface.
Frequently Asked Questions
What does CAS mean on the TI-Nspire CX II CAS?
CAS stands for Computer Algebra System. It allows the calculator to manipulate mathematical expressions symbolically, including operations involving variables rather than only decimal numerical values.
How is the CX II CAS different from the standard TI-Nspire CX II?
The major distinction is the integrated Computer Algebra System. The standard model provides extensive graphing and numerical mathematics but does not offer the same unrestricted symbolic algebra functionality.
Can CAS functionality be disabled?
Yes. Texas Instruments documents a CAS-disable capability for the TI-Nspire CX II CAS. This does not automatically make the calculator acceptable for every examination, so individual testing policies must still be checked.
Does the TI-Nspire CX II CAS support Python?
Yes. Texas Instruments added Python functionality to the CX II family through operating-system updates. An OS version later than 5.2 provides the supported Python environment.
Does it use disposable batteries?
No. Normal operation uses a TI rechargeable lithium-ion battery pack. The battery is replaceable when necessary using a compatible replacement.
How is the calculator charged?
The handheld can receive power through its USB connection using compatible charging equipment. The included USB cable also supports communication with a computer.
Does the calculator have a touchscreen?
No. Navigation is performed through the physical keyboard and the calculator’s touchpad-style directional navigation control.
Can it graph in three dimensions?
Yes. Three-dimensional graphing is part of the supported TI-Nspire CX II CAS graphing environment.
Can it perform calculus?
Yes. The CAS system supports symbolic and numerical calculus operations, including derivatives and integrals, along with graphical analysis of functions.
Can it perform matrix calculations?
Yes. Supported matrix operations include transposition, augmentation, inverses, determinants, row operations, reduced row echelon form, eigenvalues, and eigenvectors.
Can files be transferred to a computer?
Yes. Compatible TI software and the calculator’s USB connection support document transfer and device management.
Can two TI-Nspire calculators communicate directly?
Compatible TI-Nspire family handhelds can use their USB connection for supported unit-to-unit communication.
Can the operating system be updated?
Yes. Texas Instruments continues to provide operating-system support for the CX II family. Updates can add features, correct software issues, and maintain compatibility with current TI tools.
Is the TI-Nspire CX II CAS allowed on standardized tests?
Policies vary by examination. CAS calculators are prohibited on some tests and permitted under specific conditions on others. The current rules published by the organization administering the exam should be checked before test day.
What is Press-to-Test mode?
Press-to-Test is an examination mode that can temporarily restrict selected calculator features. The required restrictions depend on the examination and should be configured according to the applicable testing rules.
Is it compatible with older TI-84 Plus programs?
TI-Nspire and TI-84 calculators use different software environments. TI-84 programs should not be assumed to run directly on the TI-Nspire CX II CAS.
Does it require software installation for ordinary calculations?
No. Mathematical, graphing, statistical, geometry, and programming applications run directly on the handheld. Computer software is mainly used for additional document work, connectivity, updates, and classroom workflows.
Buying Considerations
The CAS designation is the most important distinction when comparing this calculator with the standard TI-Nspire CX II. Symbolic algebra is useful in many mathematics and engineering settings, but it also affects examination eligibility.
The TI-Nspire interface differs substantially from the traditional menu structure used by calculators such as the TI-83 Plus and TI-84 Plus families. It uses documents containing multiple application pages, so users moving from older TI calculators may need time to learn the workflow.
The rechargeable battery eliminates routine disposable-battery replacement but requires periodic charging. Long-term ownership may eventually require replacement of the rechargeable battery pack.
Course requirements should also be considered. Some instructors standardize classroom instruction around a particular calculator family, while certain examinations impose restrictions on CAS-equipped devices regardless of their other capabilities.
Customer Feedback Summary
This section summarizes recurring themes in publicly available customer feedback and product discussions. These observations are generalized reports rather than verified technical specifications or first-hand testing by iGiftCardz.
Positive feedback commonly focuses on the color display, symbolic algebra capabilities, graphing tools, and the ability to combine calculations, graphs, geometry, statistics, and notes within one document. Students in advanced mathematics and engineering-related coursework also frequently discuss the CAS system as useful for checking symbolic work.
The rechargeable battery and large amount of document storage are additional recurring positive themes. Users familiar with the TI-Nspire platform often report that the CX II generation feels more responsive than earlier TI-Nspire CX hardware.
Commonly reported limitations center on the learning curve. The document-based interface and keyboard layout differ from traditional scientific and graphing calculators, so new users may require additional practice. Test restrictions are another recurring concern because CAS functionality prevents use on some examinations. Some users also report that navigating complex menus can require more steps than performing equivalent operations on simpler calculators.
Related Products
- Texas Instruments TI-Nspire CX II: Related CX II model without the full Computer Algebra System found in the CAS version.
- Texas Instruments TI-Nspire CX CAS: Previous-generation color CAS graphing calculator that preceded the CX II CAS.
- Texas Instruments TI-Nspire CX: Previous-generation non-CAS model within the original color TI-Nspire CX family.
- Texas Instruments TI-84 Plus CE: Color graphing calculator using the traditional TI-84 software and programming ecosystem rather than the TI-Nspire document environment.
- Texas Instruments TI-84 Plus CE Python: TI-84 family graphing calculator with Python programming support and a different user interface from the TI-Nspire platform.
- TI Rechargeable Battery: Replacement rechargeable battery system used by compatible TI-Nspire CX family handhelds.
Last Updated
August 15, 2026
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