TI-Nspire CX CAS Prohibited in IB Math HL: Best Alternatives Explained

The Texas Instruments (TI) Nspire CX CAS is prohibited for use in International Baccalaureate (IB) Higher Level (HL) Math exams. The IB has strict regulations regarding calculators, and CAS (Computer Algebra System) calculators like the TI-Nspire CX CAS are banned due to the risk of providing an unfair advantage. These calculators can perform symbolic algebra and calculus functions, which could give students an edge that other students don't have.

Permitted Calculators for IB Math HL

For IB Math HL students, non-CAS calculators are the recommended choice. Here are some popular and highly recommended models that are permitted:

TI-84 Plus CE

A popular choice among students, the TI-84 Plus CE is widely used for its wide range of functions suitable for IB Math HL exams. It comes with a full-color display and supports various mathematical functions including statistics, trigonometry, and calculus. The TI-84 Plus CE is user-friendly and has a robust set of features to meet the demands of the exam.

Casio fx-9750GII or Casio fx-9860GII

These calculators offer a good balance of functionality and ease of use, making them ideal for IB Math HL students. Both models provide essential features for mathematical computations and are frequently used in the IB curriculum. The user interface is easy to navigate, and these calculators are compatible with a wide range of IB-related activities.

HP Prime

The HP Prime is a powerful calculator with a color display and a range of advanced features that are highly beneficial for IB Math HL. However, if you are using an HP Prime, make sure it is set to non-CAS mode before using it for the exam, as CAS functions are not allowed. This calculator is highly recommended for its advanced graphing capabilities and symbol manipulation features, but it’s important to use it responsibly and within the IB's guidelines.

TI-84 Plus CE vs TI-84 Plus C Silver Edition

It is worth noting that the TI-84 Plus CE and TI-84 Plus C Silver Edition are two very similar models, each with its benefits:

TI-84 Plus C Silver Edition

This model is widely used by many students due to its familiar interface and excellent performance. The C Silver Edition offers a full-color display, which can be particularly helpful for visual learners and for understanding complex mathematical graphics. Its functionality is almost identical to the CE model, making it a sensible choice for those who prefer a slightly different color scheme and perhaps a more familiar feel.

TI-84 Plus CE

The TI-84 Plus CE is thinner and faster, offering a more modern feel than the C Silver Edition. It is only slightly more expensive than the C Silver Edition, with a price difference of around $10 to $15, making it a practical choice for students on a budget. The CE model is preferred by many for its sleek design, and its performance is comparable, if not better, than the C Silver Edition.

Both models are equally suitable for IB Math HL, but the choice ultimately comes down to personal preference, especially in terms of color and weight.

Conclusion

It is crucial to ensure that any calculator you choose meets the IB's strict requirements and is comfortable to use. Your choice should not only meet the functional needs of the exam but also be reliable and user-friendly. Consult with your teacher if you have any doubts or need specific advice regarding permitted calculators for your IB Math HL exam.

For a comprehensive list of approved calculators and detailed information, you can refer to the IB Calculator List for Examinations 2017.