Best Calculator for the PE Exam Selector
Instantly find the perfect NCEES-approved calculator for your engineering discipline, budget, and feature needs.
This helps prioritize features common for your field (e.g., complex numbers for Electrical).
Approved calculators range from $15 to $50. Slide to your max price.
Budget: $35
Select your must-haves. More is not always better!
Many engineers stick with the brand they used in college.
Your Recommended PE Exam Calculator:
This chart compares key features of the top NCEES-approved calculator models.
What is the Best Calculator for the PE Exam?
The “best calculator for the PE exam” isn’t a single model, but rather the NCEES-approved calculator that best fits your specific needs, discipline, and comfort level. The National Council of Examiners for Engineering and Surveying (NCEES) maintains a very strict policy on which calculators are permitted during the exam to ensure fairness and prevent unauthorized information storage. Choosing the wrong one—or being unfamiliar with the right one—can cost you valuable time and points. This guide and the selector tool above are designed to help you make an informed decision.
This decision is critical. Unlike college exams where a powerful graphing calculator might be an asset, the PE exam restricts models to non-programmable, non-communicating scientific calculators. The key is to find a device that has the advanced functions you need for your discipline (like matrix operations for structural analysis or complex number calculations for electrical engineering) without being overly complicated to use under pressure. As you prepare, consider our PE Exam study guide for more tips.
How to Choose the Best Calculator for the PE Exam
There is no single mathematical formula for choosing a calculator. Instead, it’s a decision based on a weighted set of factors. The most important variables are compliance with the NCEES policy, functionality relevant to your exam, and your personal familiarity with the device’s operating system.
Key Decision Factors
The table below breaks down the variables you should consider. Our calculator uses these factors to generate its recommendation.
| Variable | Meaning | Unit / Type | Typical Range |
|---|---|---|---|
| NCEES Compliance | The calculator model must be on the official approved list. | Boolean (Yes/No) | Must be ‘Yes’. This is non-negotiable. |
| Discipline Relevance | How well the calculator’s built-in functions match your engineering discipline’s common problems. | Qualitative | Low (basic functions) to High (specialized solvers). |
| Ease of Use | How intuitive the calculator’s layout and menu system are for you personally. | Subjective Rating | Clunky to Intuitive. |
| Budget | The cost of the calculator. | Currency ($) | $15 – $50 USD. |
| Power Source | Whether the calculator is battery-only or dual (solar + battery). | Categorical | Dual power is highly recommended to prevent failure mid-exam. |
Practical Examples
Example 1: Civil Engineer on a Budget
An engineer preparing for the Civil PE exam needs a reliable, cost-effective calculator. They are familiar with Casio and prioritize ease of use and solar power.
- Inputs: Discipline: Civil, Budget: $25, Features: Solar Power, Intuitive.
- Likely Result: The tool would likely recommend the Casio fx-115ES PLUS. It’s affordable, widely considered intuitive, and has dual power. Its functionality is more than sufficient for the breadth of topics on the Civil PE exam.
Example 2: Electrical Engineer Needing Advanced Functions
An engineer taking the Electrical Power PE exam needs a calculator that excels at complex number and matrix calculations, which are common in circuit analysis. Their budget is flexible.
- Inputs: Discipline: Electrical, Budget: $50, Features: Advanced Solver, Matrix Functions, Complex Numbers.
- Likely Result: The tool would strongly recommend the Texas Instruments TI-36X Pro. It’s renowned for its powerful solver and straightforward handling of matrices and complex numbers, making it a favorite among electrical and structural engineers.
How to Use This Best Calculator for the PE Exam Selector
Our tool is designed to simplify your decision-making process. Follow these steps to get a tailored recommendation:
- Select Your Discipline: Choose your PE exam area from the dropdown. This helps us weigh certain features more heavily.
- Set Your Budget: Use the slider to indicate the maximum amount you’re willing to spend. All approved calculators are affordable, but this can help narrow the options.
- Choose Key Features: Check the boxes for functions you believe are most critical for your success. If you’re unsure, “Solar Power” and “Intuitive” are excellent starting points.
- Indicate Brand Preference: If you’re already comfortable with a specific brand (e.g., you’ve used a TI-84 for years), select it. Otherwise, leave it as “No Preference” for a broader recommendation.
- Click “Find My Calculator”: Our algorithm will score the most popular NCEES-approved models based on your criteria and present the best match. The result will explain *why* it was chosen for you.
Once you have a recommendation, it’s a good idea to read our detailed calculator comparison review.
Key Factors That Affect Your Choice
- NCEES Calculator Policy: This is the single most important factor. You can only use models from the Casio fx-115/fx-991 series, TI-30X/TI-36X series, or the HP 33s/35s. No other calculators are allowed.
- Learning Curve: Do not buy a new calculator the week before the exam. Purchase your chosen model months in advance and use it for all your practice problems. Familiarity is speed.
- Power Source: A calculator dying mid-exam is a nightmare scenario. A dual-power (solar with battery backup) model is strongly recommended for peace of mind.
- Display Type: Some calculators, like those with “MultiView” or “Natural Display,” show equations as they would be written on paper. Many find this reduces input errors.
- Key Feel & Layout: The tactile feedback and arrangement of keys can impact your speed and accuracy. This is a highly personal preference.
- Specialized Functions: For disciplines like Electrical or Structural Engineering, a calculator with a powerful equation solver and matrix capabilities (like the TI-36X Pro) can be a significant time-saver.
Frequently Asked Questions (FAQ)
- Which calculator is best for the Civil PE exam?
- The Casio fx-115ES Plus and the TI-36X Pro are both extremely popular and excellent choices for the Civil PE. The Casio is often cited as more intuitive, while the TI-36X Pro has a slightly more powerful solver.
- Can I use a TI-89 or TI-Nspire on the PE exam?
- No. Absolutely not. Any calculator with graphing, symbolic calculation, or communication capabilities is strictly forbidden. Using one will result in your exam being invalidated.
- What is the official NCEES approved calculator list?
- The list includes models from three brands: Casio (all fx-115 and fx-991 models), Texas Instruments (all TI-30X and TI-36X models), and Hewlett-Packard (the HP 33s and HP 35s models only).
- Should I bring a backup calculator?
- Yes, it is highly recommended. You are allowed to bring more than one approved calculator into the exam. A cheap, familiar backup like a TI-30XIIS is excellent insurance.
- What happens if my calculator’s batteries die?
- If you don’t have a backup, you will have to finish the exam without a calculator. The on-screen digital calculator is very basic. This is why a solar-powered model or bringing a backup is critical. Check our guide on the ultimate PE exam day checklist.
- Is the calculator more important than the NCEES Reference Handbook?
- No. Your primary tool is the digital Reference Handbook provided during the CBT exam. Your calculator is a secondary tool to perform calculations quickly based on the formulas and data you find in the handbook.
- Does RPN logic (HP calculators) provide an advantage?
- Only if you are already an expert in Reverse Polish Notation (RPN). For most candidates, the learning curve is too steep to be worth it. If you didn’t grow up on RPN, stick to an algebraic entry calculator (TI or Casio).
- How much should I practice with my chosen calculator?
- Extensively. You should be able to perform common calculations (unit conversions, trig functions, solving equations) without thinking about the keystrokes. Use it for every single practice problem you do.
Related Tools and Internal Resources
As you continue your journey to becoming a licensed Professional Engineer, these resources may be helpful:
- FE Exam Calculator Selector
A similar tool tailored for the Fundamentals of Engineering exam.
- PE Exam Study Planner
Create a customized study schedule based on your exam date.
- CBT Exam Strategies
Learn the best tips and tricks for the computer-based testing format.
- Engineering Unit Converter
A quick reference tool for common unit conversions.