Can You Use a Calculator in Numerical Reasoning Tests?

An expert guide and assessment tool to determine calculator rules for your specific test.

Calculator Policy Assessment Tool

Answer the following questions to get a likely answer on whether a calculator will be permitted for your numerical reasoning test.

What Does “Can You Use a Calculator in Numerical Reasoning Tests” Mean?

The question of whether you can use a calculator in numerical reasoning tests is one of the most common concerns for candidates. It’s not a simple yes or no question, as the answer depends almost entirely on the test provider and the specific assessment you are taking. A numerical reasoning test is designed to assess your ability to interpret and analyze numerical data, not just your raw calculation speed. Therefore, some providers allow calculators to focus on the reasoning aspect, while others prohibit them to also measure mental arithmetic skills.

Understanding the specific rules for your test is crucial. Using a calculator when it’s forbidden can lead to immediate disqualification, while not using one when it’s allowed can put you at a significant time disadvantage against other candidates. This guide and calculator are designed to help you navigate this critical aspect of your test preparation.

The Logic: How Calculator Policies are Determined

There isn’t a universal mathematical formula for this question. Instead, the “calculation” is a logical deduction based on several key variables. The policy is a function of the test provider’s philosophy, the test’s format, and the level of the role you’re applying for.

Key Variables Influencing Calculator Policy

Variable	Meaning	Unit (Influence)	Typical Range
Test Provider	The company that designs and administers the test.	High Influence	SHL, IBM Kenexa, Cubiks, Talent Q, Saville, etc.
Test Instructions	The official guidance given to you before the test.	Definitive	Allowed, Forbidden, On-screen provided, Not mentioned.
Test Format	The environment where the test is taken.	Medium Influence	Online (unsupervised), Assessment Center (supervised).
Test Type	The specific type of numerical assessment.	High Influence	Numerical Reasoning vs. Calculation Test.

Practical Examples of Calculator Policies

Example 1: The SHL Graduate Test

A candidate is invited to take an online SHL Verify Numerical Reasoning Test for a graduate finance role. The instructions do not explicitly mention a calculator.

• Inputs: Test Provider = SHL, Test Format = Online, Instructions = Not mentioned.
• Logical Deduction: SHL numerical reasoning tests generally permit the use of a personal calculator. The absence of a prohibition is a strong indicator that it’s allowed.
• Result: Highly Likely Allowed. The candidate should prepare using their own calculator. For more information, check out our guide on passing SHL tests.

Example 2: The In-Person Civil Service Test

An applicant for a government role is taking the Civil Service Numerical Test (CSNT) at a supervised assessment center.

• Inputs: Test Provider = Other (CSG), Test Format = Assessment Center, Instructions = On-screen calculator is provided.
• Logical Deduction: When an on-screen calculator is provided, personal calculators are almost always forbidden to ensure a level playing field and prevent the use of advanced devices.
• Result: Forbidden (Use On-screen Tool Only). The candidate must practice with the specific type of on-screen calculator provided.

How to Use This Calculator Policy Assessment Tool

Using this tool is a straightforward process designed to give you clarity in under a minute. Follow these steps to determine the likely calculator policy for your test.

1. Select Test Provider: Choose the company that administers your test from the first dropdown menu. If you don’t know, select “Other / I don’t know”.
2. Select Test Format: Indicate whether you are taking the test online at home or in-person at a designated center.
3. Check Instructions: This is the most important step. Select the option that best describes the guidance you have received about calculators.
4. Analyze the Result: Click the “Check Policy” button. The tool will provide one of three outcomes—Yes, No, or It Depends—along with a detailed explanation of the reasoning and what steps you should take next. You may also want to review our free numerical reasoning test guide.

Key Factors That Affect Calculator Use

• Test Provider Philosophy: Each provider has its own methodology. For instance, SHL typically allows calculators for its reasoning tests but forbids them for its separate “Calculation” tests.
• Test Environment: Unsupervised online tests often allow personal calculators, while supervised tests at assessment centers might restrict you to an on-screen tool or none at all to prevent cheating.
• Explicit Instructions: The instructions provided in your test invitation are the ultimate authority. Always read them carefully. Information about calculators is almost always included.
• Job Level: Tests for more senior or data-heavy roles are more likely to allow calculators, as they focus on high-level interpretation rather than basic arithmetic.
• Test Type (Reasoning vs. Calculation): A ‘Numerical Reasoning’ test evaluates your ability to interpret data from charts and tables, making calculators a useful tool. A ‘Calculation Test’ specifically measures your mental arithmetic speed and accuracy, so calculators are forbidden.
• On-Screen Tools: If the testing software includes a built-in calculator, you should assume that external devices are not permitted. This is common in platforms used by EPSO and other large bodies. For more practice, try our logical reasoning practice tests.

Frequently Asked Questions (FAQ)

1. What if my test instructions don’t mention a calculator at all?

If there’s no mention of a calculator, the general rule is to assume one is allowed, especially for online tests from major providers like SHL. However, you should prepare for both scenarios. Try some practice questions without a calculator to be safe. A guide to assessment centers can provide more context.

2. Can I use my phone’s calculator?

Absolutely not. Even when personal calculators are allowed, smartphones, tablets, and any device with internet connectivity are universally banned. Using one will result in disqualification.

3. Is a scientific calculator better than a basic one?

Yes. If allowed, a scientific calculator that you are familiar with can be a significant advantage. Features like memory functions (M+, M-) and the ability to handle fractions and percentages quickly can save valuable time.

4. Do Kenexa numerical tests allow calculators?

Generally, yes. Kenexa tests focus on data interpretation from complex charts and tables, so a calculator is usually permitted to handle the computations. However, always verify with your specific test instructions.

5. What happens if I use a calculator when it is forbidden?

You will likely be disqualified. Modern online testing platforms have proctoring measures to detect unauthorized software or browser tab switching. In an assessment center, you will be caught by the supervisors.

6. Does the difficulty of the math change if a calculator isn’t allowed?

Yes. Tests that prohibit calculators, like a pure Calculation Test, will involve simpler arithmetic that is designed to be solved mentally within the time limit. Tests that allow calculators often feature more complex numbers and multi-step calculations.

7. Why do some tests provide an on-screen calculator?

This is to ensure fairness. It provides every candidate with the exact same tool, removing any advantage from having a more advanced personal calculator. It also serves as a security measure. You can improve your skills with our verbal reasoning tests.

8. I’m taking a test from a provider not listed in the tool. What should I do?

Select “Other / I don’t know” and rely heavily on the “Instructions” input. The official instructions are always the most reliable source of information, regardless of the provider.

Related Tools and Internal Resources

To continue your preparation, explore our other expert resources. These guides and practice tests will help you build the skills needed to succeed in all aspects of your psychometric assessments.

• Free SHL Practice Tests: Get hands-on experience with the most common test format.
• IBM Kenexa Practice Tests and Tips: Master the specific style of Kenexa assessments.
• Numerical Reasoning Test Guide: A deep dive into strategies, question types, and tips.
• Situational Judgement Tests: Prepare for another common type of pre-employment test.
• All Aptitude Tests: Browse our full library of practice tests.
• Career Advice: Get tips that go beyond testing to help you land the job.