What Calculators are Allowed on the FE Exam?
Official NCEES Compliance Checker & Performance Impact Tool
NCEES Status
APPROVED
15.5s
28.4 mins
Full Advanced
Time Efficiency Comparison
Visualizing time efficiency compared to standard manual calculations.
| Manufacturer | Approved Series | Key Capabilities |
|---|---|---|
| Casio | fx-115 & fx-991 | Natural Display, Equation Solver, Matrix, Vector |
| Hewlett Packard | HP 33s & HP 35s | RPN Logic, Programmable (Limited), Scientific |
| Texas Instruments | TI-30X & TI-36X | MultiView Display, MathPrint, Statistics |
What is what calculators are allowed on the fe exam?
Understanding what calculators are allowed on the fe exam is one of the most critical steps in your FE (Fundamentals of Engineering) exam preparation. The National Council of Examiners for Engineering and Surveying (NCEES) enforces a very strict calculator policy to ensure exam integrity and fairness across all engineering disciplines, whether you are taking Civil, Mechanical, Electrical, or Other Disciplines. If you walk into the testing center with an unapproved device, it will be confiscated, and you will be forced to use the on-screen digital calculator, which can significantly slow down your pace.
When engineering students ask what calculators are allowed on the fe exam, they are usually looking for the “best” approved model that can handle complex number calculations, matrix operations, and numerical integration. Knowing what calculators are allowed on the fe exam allows you to practice with the exact same tool you will use on test day, building muscle memory that is essential for the 110-question sprint.
Common misconceptions include the idea that any non-programmable calculator is okay. This is false. Only specific models from Casio, HP, and TI are permitted. Even some “simple” calculators are banned if they don’t fall under the authorized series list. Mastering what calculators are allowed on the fe exam is as important as mastering the NCEES Reference Handbook itself.
what calculators are allowed on the fe exam Formula and Mathematical Explanation
While “what calculators are allowed on the fe exam” is a policy-driven topic, we can model the efficiency of these devices using a mathematical approach to “Exam Time Savings.” The benefit of using a high-end approved calculator versus a basic one (or the on-screen version) can be quantified by the reduction in keystrokes for complex operations.
The time efficiency formula used in our checker is:
Efficiency (E) = (Fbase + (P × Fadv)) / Tavg
| Variable | Meaning | Unit | Typical Range |
|---|---|---|---|
| Fbase | Baseline approved functions (trig, log) | Points | 10 – 20 |
| Fadv | Advanced functions (Matrix, Solver, Stats) | Points | 0 – 50 |
| P | User Proficiency Factor | Scalar | 0.1 – 1.0 |
| Tavg | Average time per standard calculation | Seconds | 30s – 60s |
Practical Examples (Real-World Use Cases)
Example 1: The TI-36X Pro Power User
A student preparing for the FE Civil exam selects the TI-36X Pro. By investigating what calculators are allowed on the fe exam, they realize this model supports 3×3 matrix inversions. On a structural analysis problem, a manual matrix inversion might take 4 minutes. With the TI-36X Pro and a proficiency score of 9, the student completes it in 45 seconds. This single question saves over 3 minutes, which is 100% of the allocated time for another problem.
Example 2: The Casio fx-115ES Plus User
A Mechanical FE candidate uses the Casio fx-115ES Plus for numerical integration in fluid mechanics. Because they verified what calculators are allowed on the fe exam early, they learned the “Shift + Integral” shortcut. This reduces their margin of error and saves approximately 20 seconds per integration problem compared to the on-screen calculator provided by the Pearson VUE testing center.
How to Use This what calculators are allowed on the fe exam Calculator
- Select Your Brand: Choose between Casio, HP, or Texas Instruments from the dropdown menu.
- Choose the Model: Select your specific model series. The tool will instantly validate if it meets the NCEES criteria for what calculators are allowed on the fe exam.
- Input Proficiency: Rate your skill level from 1 to 10. If you don’t know how to use the “Solver” function, your proficiency is likely below 5.
- Analyze Results: View the primary NCEES Status. If it says “PROHIBITED,” you must purchase a different device.
- Review Time Savings: Look at the “Total Exam Time Impact” to see how much “bonus time” you gain by using an advanced approved model vs. a basic one.
Key Factors That Affect what calculators are allowed on the fe exam Results
- NCEES Policy Updates: NCEES reviews the list of what calculators are allowed on the fe exam annually. Always check for the most recent year’s list before your test.
- Functionality Density: Models like the TI-36X Pro or Casio fx-991EX have higher “density” of features like unit conversions and physical constants which save valuable seconds.
- Battery Reliability: Solar-powered calculators with battery backup (Dual Power) are preferred to prevent your device from dying mid-exam.
- Display Layout: “MathPrint” or “Natural Display” allows you to see fractions and radicals as they appear in textbooks, reducing transcription errors.
- Menu Navigation: Some calculators require deep menu diving, while others have dedicated buttons for common engineering tasks.
- Tactile Feedback: In a high-stress environment, the physical click of buttons helps confirm inputs more reliably than a touch screen or soft buttons.
Frequently Asked Questions (FAQ)
1. Can I bring two calculators to the FE exam?
Yes, as long as both devices are on the approved list for what calculators are allowed on the fe exam. Many candidates bring a backup TI-36X Pro just in case.
2. Is the TI-84 or TI-Nspire allowed?
No. Graphing calculators of any kind are strictly prohibited under the what calculators are allowed on the fe exam policy because they are programmable and have communication capabilities.
3. What happens if I bring a prohibited calculator?
The proctor will not allow it in the room. You will be forced to use the computer-based calculator provided in the exam interface, which is functional but much slower to use.
4. Are the Casio ‘ClassWiz’ models allowed?
Specific ClassWiz models like the fx-991EX are permitted because they fall under the fx-991 series approved in what calculators are allowed on the fe exam guidelines.
5. Do I need to clear my calculator memory?
The proctors may ask you to reset your calculator before the exam starts. Knowing how to quickly reset your specific model is part of exam day readiness.
6. Can I use a calculator with a removable cover?
Yes, but the cover must be placed on the floor or in a locker during the actual exam session.
7. Why is the TI-36X Pro so popular for the FE exam?
It is widely considered the most powerful non-programmable calculator allowed. It handles 3×3 matrices, vectors, and complex math with an intuitive interface.
8. Where can I find the latest NCEES calculator policy?
The official NCEES website maintains the most current list of what calculators are allowed on the fe exam. Our tool is updated based on these standards.
Related Tools and Internal Resources
- FE Exam Prep Tips: Learn how to optimize your study schedule for maximum score.
- NCEES Registration Guide: A step-by-step walkthrough of signing up for your engineering exam.
- FE Civil Practice Problems: Test your skills with these exam-realistic questions.
- Best Engineering Calculators: A deep-dive review of the top approved models.
- EIT Certification Process: What to do after you pass the FE exam.
- FE Mechanical Study Plan: A 3-month roadmap to passing the Mechanical FE.