CompTIA Exam Calculator Policy Checker

Instantly check the official calculator policy for your specific CompTIA certification exam.

Check Your Exam’s Calculator Policy

What is the CompTIA Calculator Policy?

The question, “can you use calculator on CompTIA,” is one of the most common logistical questions candidates have. The official policy across almost all CompTIA exams is that you cannot bring or use a personal, physical calculator. Electronic devices of any kind, including calculators, are strictly prohibited in the testing room, whether online or at a physical test center.

The primary reason for this rule is to ensure fairness and to validate a candidate’s foundational knowledge. CompTIA exams are designed to test your understanding of concepts and your ability to perform necessary calculations mentally or with the tools provided. For exams like Network+ or CySA+, this might include subnetting or risk analysis calculations. The math is intended to be straightforward enough that a calculator is not required.

CompTIA Exam Calculator Rules Explained

While personal calculators are forbidden, CompTIA is not entirely without resources. For specific questions that may require calculation, the exam interface itself may provide an on-screen calculator. However, this is not guaranteed for all exams or all questions. For any manual calculations, you are provided with either a physical dry-erase board and marker (at test centers) or a digital whiteboard in the online exam software.

The table below summarizes the general policy. The “calculator” referred to is the on-screen version, not a personal device.

Summary of Calculator Availability by CompTIA Exam

Exam	Personal Calculator Allowed	On-Screen Calculator Provided	Notes & Typical Math
A+	No	Rarely, if ever.	Basic troubleshooting logic, very little math.
Network+	No	Potentially for specific questions.	Subnetting, CIDR notation. Expected to be done on a whiteboard.
Security+	No	Potentially for specific questions.	Calculating Annual Loss Expectancy (ALE), risk analysis.
CySA+ / PenTest+ / CASP+	No	Potentially for specific questions.	Risk analysis, cryptographic overhead, data calculations.

Practical Examples

Example 1: Taking the CompTIA Network+ Exam

A candidate is taking the Network+ exam and encounters a Performance-Based Question (PBQ) that requires them to determine the correct subnet mask for a given network configuration. They cannot use their own calculator. Instead, they must use the provided digital whiteboard to write down powers of two and calculate the subnet ranges manually. This tests their core subnetting skill, not just their ability to plug numbers into a tool.

Example 2: Taking the CompTIA Security+ Exam

During the Security+ exam, a question asks to calculate the Single Loss Expectancy (SLE) given an asset value and an exposure factor. The math might be `Asset Value ($100,000) * Exposure Factor (25%) = $25,000`. This calculation is simple enough to be done by hand on the whiteboard. The exam is testing the knowledge of the risk assessment formula, not complex multiplication.

How to Use This CompTIA Policy Checker

1. Select Your Exam: Choose the specific CompTIA certification you are taking from the dropdown menu above.
2. Check the Policy: Click the “Check Calculator Policy” button.
3. Review the Result: The tool will instantly display the general policy regarding calculator use for your selected exam, including what tools you can expect (like a whiteboard) and the types of calculations you might face.

Key Factors That Affect Calculator Use

• Official CompTIA Policy: The primary factor is CompTIA’s global candidate agreement, which prohibits personal electronic devices to maintain exam integrity.
• Exam Objectives: The type of math on an exam dictates the need for a calculator. Foundational exams (like A+) have less math than more advanced ones (like Network+ or Security+).
• Testing Environment: Whether you test online (OnVUE) or at a Pearson VUE center, the rules are the same. Online testers get a digital whiteboard, while in-person testers get a physical one.
• Question-Specific Tools: CompTIA may enable a simple, on-screen calculator for a specific question if the calculation is complex but secondary to the skill being tested. This is rare and should not be expected.
• Focus on Core Skills: CompTIA wants to certify your ability to do the job. For a network administrator, being able to subnet without a calculator is a core skill. The policy reflects this.
• Fairness and Security: Allowing personal calculators introduces significant security risks (storing notes, formulas) and creates an unfair advantage for those with advanced devices.

Frequently Asked Questions (FAQ)

1. Can I use a calculator on the CompTIA A+ exam?

No, you cannot use a personal calculator on the A+ exam. The exam contains very little to no math, so one is not necessary.

2. Is a calculator allowed for the CompTIA Network+ exam for subnetting?

No, personal calculators are not allowed. You are expected to perform subnetting calculations using the provided physical or digital whiteboard.

3. What if I am taking the exam online from home?

The rules are the same. You will use Pearson VUE’s OnVUE software, which includes a digital whiteboard feature for notes and calculations. No physical calculators, paper, or pens are permitted.

4. Has anyone ever seen the on-screen calculator?

Yes, some test-takers have reported an on-screen calculator appearing for specific questions, but it’s not common. You should prepare to not have one.

5. Can I use a slide rule or an abacus?

No. All external calculation tools and personal items are prohibited.

6. What happens if I’m caught with a calculator?

Your exam will be immediately terminated, your score voided, and you may be banned from taking future CompTIA exams.

7. Why is the math on the exam so simple?

CompTIA’s goal is to test your IT knowledge, not your mathematical prowess. The calculations are designed to be part of a larger problem-solving process.

8. What should I practice on the whiteboard?

For Network+, practice writing out your subnetting charts (powers of 2, CIDR values). For Security+, practice writing down risk assessment formulas like SLE and ALE.