Are You Allowed To Use A Calculator On The Act

Instantly determine if your calculator is permitted for the ACT® Math test. This tool helps you understand the rules for whether you are allowed to use a calculator on the ACT, preventing test-day surprises.

Check Your Calculator’s Status

Policy Compliance Chart

Dynamic chart illustrating compliance with key ACT calculator rules.

What is the ACT Calculator Policy?

The question of “are you allowed to use a calculator on the act” is a critical one for test preparation. The official ACT calculator policy is designed to ensure fairness and test security. In short, you are permitted to use a calculator, but only on the Mathematics section of the ACT test. No other section—English, Reading, Science, or Writing—allows for calculator use. Furthermore, not just any calculator is acceptable. The policy specifies which types are allowed and explicitly prohibits others to prevent any unfair advantages.

This policy applies to all students taking the test. Whether you bring your own calculator or, in rare cases of computer-based testing, use a provided on-screen one, the rules are the same. Understanding if you are allowed to use a calculator on the ACT is the first step; the next is ensuring the specific device you bring meets the guidelines. The testing staff is responsible for enforcing these rules and will dismiss any student found using a prohibited device.

ACT Calculator Rules Explained

The “formula” for determining if you are allowed to use a calculator on the ACT is a series of logical checks rather than a mathematical equation. The core principle is that the calculator must be a tool for computation, not a device that stores information or solves problems symbolically. Our calculator tool automates these checks for you.

The logic follows these steps:

1. Test Section Check: Is the intended use for the Math section? If not, it’s prohibited.
2. Device Type Check: Is the device a dedicated calculator? Phones, tablets, laptops, and smartwatches are strictly forbidden.
3. Prohibited Features Check: Does the calculator have a Computer Algebra System (CAS) or a QWERTY keyboard? Both are banned.
4. Specific Model Check: Is the model on the ACT’s official list of prohibited calculators? This list includes specific models from brands like Texas Instruments, Hewlett-Packard, and Casio known to have banned features.

Key Variables in ACT Calculator Approval

Variable	Meaning	Typical Allowed Value	Typical Prohibited Value
Test Section	The part of the ACT exam being taken.	Math	Reading, Science, English, Writing
Device Type	The hardware being used.	4-function, scientific, or graphing calculator	Phone, Tablet, Laptop, Smartwatch
CAS Functionality	Ability to solve algebra symbolically.	No	Yes
QWERTY Keyboard	A typewriter-style lettered keyboard.	No	Yes

Practical Examples of the ACT Calculator Policy

Let’s look at two common scenarios to see how the rules for using a calculator on the ACT play out.

Example 1: The Allowed Calculator

• Student: Alex
• Calculator: Texas Instruments TI-84 Plus CE
• Intended Section: Math Test
• Analysis: The TI-84 Plus CE is a graphing calculator, which is permitted. It does not have a built-in Computer Algebra System (CAS). It is not on the prohibited models list. Alex intends to use it on the Math section.
• Result: ALLOWED. Alex will have no issues using this calculator.

Example 2: The Prohibited Calculator

• Student: Brenda
• Calculator: Texas Instruments TI-Nspire CAS
• Intended Section: Math Test
• Analysis: While Brenda wants to use it on the correct section, her calculator’s model name contains “CAS”. Calculators with CAS functionality are explicitly banned because they can perform symbolic algebraic manipulations.
• Result: PROHIBITED. Even though it’s a popular calculator, the CAS version is not allowed. Brenda needs to bring a non-CAS model.

How to Use This ACT Calculator Policy Checker

This tool simplifies the complex question of whether you are allowed to use a calculator on the ACT. Follow these simple steps:

1. Select the Test Section: Choose the section of the ACT for which you plan to use the calculator from the dropdown menu. Remember, only the Math section permits calculator use.
2. Enter Your Calculator Model (Optional): Type in your calculator’s model name. This helps our tool check it against a known list of banned models like the TI-89 or HP Prime.
3. Check for Prohibited Features: Tick the boxes if your device is a phone/laptop, has a CAS, or features a QWERTY keyboard. These are automatic disqualifiers.
4. Review the Result: The tool will instantly display “ALLOWED” or “PROHIBITED” in a clear, color-coded box, along with the reason for the decision.
5. Analyze the Chart: The dynamic bar chart provides a visual representation of your compliance status, making it easy to see where a potential issue lies.

Key Factors That Affect Calculator Approval

When determining if you are allowed to use a calculator on the ACT, several factors come into play. Being aware of them is essential for a smooth test day.

• Computer Algebra System (CAS): This is the most common reason a powerful calculator is banned. CAS can solve algebraic equations symbolically, which the ACT considers an unfair advantage. Models like the TI-89, TI-Nspire CAS, and HP Prime are prohibited for this reason.
• QWERTY Keyboards: Any calculator with a typewriter-style (QWERTY) keyboard is not allowed. This is to prevent the storage of notes.
• Communication Devices: This is an absolute rule. No devices that can communicate wirelessly are allowed. This includes cell phones, tablets, smartwatches, and laptops.
• Power Cords: Your calculator must be battery-operated. You cannot have it plugged into an electrical outlet during the test.
• Noise and Printing: If your calculator makes noise, it must be muted. If it has a paper tape printing function, the tape must be removed.
• Infrared Ports: Some older models (like the HP 48G series) have infrared data ports. These must be completely covered with opaque tape.

Frequently Asked Questions (FAQ)

1. Can I use a graphing calculator on the ACT?

Yes, most graphing calculators (like the TI-84 Plus series) are allowed, as long as they do not have CAS functionality and are not on the prohibited list.

2. What happens if I bring a prohibited calculator?

The testing staff will check your calculator. If it’s prohibited, you will not be allowed to use it. If you are caught using it during the test, you may be dismissed and your test scores voided.

3. Are you allowed to use a calculator on the ACT Science section?

No. You are not permitted to use a calculator on the Science, Reading, English, or Writing sections. It is only for the Math test.

4. Does the ACT provide a calculator?

Generally, no. You are responsible for bringing your own approved calculator. For computer-based tests, an on-screen calculator may be available.

5. Is the TI-Nspire allowed on the ACT?

It depends. The standard TI-Nspire (non-CAS) model is permitted. However, the TI-Nspire CAS model is strictly prohibited.

6. Can I share my calculator with another student?

No. Sharing calculators during the test is not permitted under any circumstances.

7. Do I need to clear my calculator’s memory?

While the ACT requires removing programs with CAS functionality, it’s a good practice to clear your calculator’s RAM before the test to avoid any potential issues.

8. What’s a simple, safe calculator to use for the ACT?

A standard scientific calculator, like the TI-30X series, is a very safe and affordable choice. It performs all the necessary functions without risking violation of the “are you allowed to use a calculator on the act” policy.