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§ Verdict file · fe/ti-nspire-cx-cas

Is the TI-Nspire CX CAS Allowed on the FE Exam?

No. The Texas Instruments TI-Nspire CX CAS is not approved for the NCEES FE exam. It is outside the NCEES 2026 Texas Instruments whitelist, which is limited to TI-30X and TI-36X models.

Last verified 2026·05·20highSource NCEES
iThe plain answer

Answer.

Banned

No. The Texas Instruments TI-Nspire CX CAS is not approved for the NCEES FE exam. It is outside the NCEES 2026 Texas Instruments whitelist, which is limited to TI-30X and TI-36X models.

iiThe reasoning

Why this verdict.

The TI-Nspire CX CAS is outside the NCEES approved Texas Instruments families for 2026 and includes CAS functionality in the stored calculator data.

Based on the cited NCEES calculator policy, this verdict treats the Texas Instruments TI-Nspire CX CAS as banned for the FE exam because the NCEES rule is a strict approved-model list. The stored calculator data also identifies this device as a CAS graphing calculator, but the whitelist issue is already enough: TI-Nspire CX CAS is not a TI-30X or TI-36X model. NCEES states that the listed models are the only acceptable calculators for the 2026 exams, and its Texas Instruments allowance does not include TI-Nspire, TI-84, TI-89, or other graphing families. This conclusion is intentionally narrow and practical. It does not require a proctor to evaluate whether CAS can be disabled, whether documents were cleared, or whether a test mode is active. The safest FE reading is to bring a physical calculator whose printed model family is explicitly named by NCEES.

iiiPrimary evidence

Official source.

Official source · 01NCEES Calculator Policy

NCEES says the listed models are the only acceptable calculators for the 2026 exams. The accepted Texas Instruments families are TI-30X and TI-36X. The TI-Nspire CX CAS is a different family and is also classified in this guide as a CAS graphing calculator, so it is not approved for FE exam use.

The following calculator models are the only ones acceptable for use during the 2026 exams

NCEESAccessed 2026·05·20
ivWhat to watch

Caveats.

01

Do not bring a TI-Nspire CX CAS to the FE exam; it is outside the NCEES Texas Instruments whitelist and includes CAS capability in the stored model data.

02

Do not treat CAS-disabled mode, cleared memory, or a classroom exam mode as a substitute for NCEES approved-family membership.

03

The TI-Nspire CX CAS and TI-Nspire CX II are separate models, but neither is a TI-30X or TI-36X calculator for FE whitelist purposes.

04

Use the exact printed model name rather than a marketplace title, abbreviated loaner sticker, or short classroom nickname.

05

Choose a listed FE calculator before test day and practice with that model so switching away from the TI-Nspire workflow does not slow you down.

06

Because this model belongs to a CAS graphing family, do not assume a reset, operating system update, restricted profile, or teacher-supervised mode will satisfy NCEES staff.

07

Move FE practice work onto the replacement calculator well before exam week, especially for algebraic manipulation habits that the TI-Nspire CX CAS can hide behind symbolic tools.

08

If you own several TI-Nspire handhelds, label the allowed FE replacement separately so the CAS model is not picked up by mistake on exam morning.

09

Use the current NCEES page as the controlling source when older study guides, message boards, or class handouts discuss graphing calculators in broader terms.

10

When borrowing equipment, ask for the full printed model rather than accepting a generic Nspire description.

11

Recheck the NCEES page near your appointment because NCEES says the approved list is reviewed annually.

vEquivalent models

Alternatives.


Reader questions

FAQ.

Q.01Is the TI-Nspire CX CAS ever acceptable for the FE exam?

This verdict says no for the current NCEES FE context. NCEES lists only certain calculator families for the 2026 exams, and TI-Nspire CX CAS is not one of them. Its CAS capability makes it an even poorer fit, but the whitelist mismatch is sufficient.

Q.02Can I disable CAS and use it anyway?

Do not plan on that. NCEES approval is based on listed calculator models, not on a proctor proving that a prohibited feature has been disabled. Bring a calculator whose printed model name already fits the current NCEES list.

Q.03Is the non-CAS TI-Nspire CX II different for FE use?

The non-CAS model is different for some exam policies, but it is still outside the NCEES TI-30X and TI-36X families. For the FE exam, both TI-Nspire CX CAS and TI-Nspire CX II should be replaced by a listed scientific calculator.

Q.04What is the safest replacement?

The simplest replacement is a calculator in a family NCEES names directly, such as TI-36X Pro, TI-30XS MultiView, Casio fx-991CW, Casio fx-991EX, Casio fx-115ES Plus, or HP 35s. Practice with the replacement before exam day.


Cross-exam matrix

This calculator in other exams.

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