What Calculator Can Be Used On The Act






ACT Calculator Policy Checker: Ensure Your Calculator is Allowed on the Test


ACT Calculator Policy Checker: Your Guide to Approved Calculators

Navigating the ACT calculator policy can be confusing. Use our free ACT Calculator Policy Checker to quickly determine if your calculator is allowed on test day. Avoid last-minute stress and ensure you’re prepared with the right tools.

ACT Calculator Policy Checker

Select your calculator’s brand, model, and key features to check its ACT compliance status.


Choose the manufacturer of your calculator.


Providing the model helps with specific policy checks.


Calculators with CAS functionality are generally prohibited.


Calculators with full QWERTY keyboards are prohibited.


Calculators that can print or have paper tape are prohibited.


Calculators with internet access or wireless capabilities are prohibited.


Calculators requiring a stylus or pen input are prohibited.


Calculators with audio/video recording or playing capabilities are prohibited.


Calculator Policy Status:

Please enter your calculator details above.

Feature Compliance Summary

This chart visualizes the number of prohibited features detected and features with uncertain status based on your input.

What is an ACT Calculator Policy Checker?

An ACT Calculator Policy Checker is an essential online tool designed to help students determine if their specific calculator model is permitted for use on the ACT test. The ACT has strict rules regarding which calculators are allowed, and bringing a prohibited device can lead to your scores being canceled or even dismissal from the test center. This checker simplifies the process of understanding and complying with these regulations, providing instant feedback based on official ACT guidelines.

Who Should Use This ACT Calculator Policy Checker?

  • All ACT Test-Takers: Every student planning to take the ACT should verify their calculator’s eligibility well before test day.
  • Students with Advanced Calculators: Graphing calculators often have features (like CAS or QWERTY keyboards) that are prohibited. This tool helps clarify their status.
  • Parents and Educators: To guide students in purchasing or selecting an appropriate calculator for the exam.
  • Anyone Unsure: If you’re in doubt about your calculator’s features or model, this checker provides a quick and reliable answer.

Common Misconceptions About the ACT Calculator Policy

  • “All graphing calculators are allowed.” This is false. Many advanced graphing calculators, especially those with Computer Algebra Systems (CAS) or QWERTY keyboards, are strictly prohibited.
  • “ACT calculator rules are the same as SAT rules.” While there’s overlap, there are subtle differences. Always check the specific policy for the test you are taking.
  • “If it’s a popular brand, it must be allowed.” Popular brands like Texas Instruments and HP produce both allowed and prohibited models. Model number is crucial.
  • “I can just remove the prohibited features.” Some features, like a QWERTY keyboard, are inherent to the calculator’s design and cannot be removed or disabled to make it compliant.

ACT Calculator Policy Checker Formula and Decision Logic Explanation

Unlike traditional calculators that perform mathematical computations, the ACT Calculator Policy Checker operates on a rule-based decision logic. It evaluates your input against a predefined set of criteria established by the ACT organization to determine compliance. There isn’t a “formula” in the mathematical sense, but rather a series of conditional statements that lead to a specific outcome.

Step-by-Step Decision Logic:

  1. Initial Check for Explicitly Prohibited Models: The checker first cross-references the entered brand and model against a list of calculators explicitly banned by the ACT (e.g., TI-89, HP 48GII, Casio ClassPad series). If a match is found, the calculator is immediately flagged as “Prohibited.”
  2. Feature-Based Prohibitions: If not explicitly banned, the checker then evaluates individual features:
    • If “Computer Algebra System (CAS)” is ‘Yes’, it’s Prohibited.
    • If “QWERTY Keyboard” is ‘Yes’, it’s Prohibited.
    • If “Paper Tape/Printer” is ‘Yes’, it’s Prohibited.
    • If “Wireless/Internet Connectivity” is ‘Yes’, it’s Prohibited.
    • If “Stylus/Pen Input” is ‘Yes’, it’s Prohibited.
    • If “Audio/Video Recording/Playing” is ‘Yes’, it’s Prohibited.
  3. Uncertainty Handling: If any critical prohibited feature is marked as ‘Unsure’, or if the model is not explicitly recognized as allowed or prohibited, the checker recommends “Verify with ACT Policy” to ensure accuracy.
  4. General Allowance: If none of the above conditions are met (i.e., no prohibited models, no prohibited features, and no critical uncertainties), the calculator is deemed “Allowed.”

Variable Explanations:

The inputs you provide act as variables in this decision-making process. Each variable represents a characteristic of your calculator that the ACT policy considers.

Key Variables for ACT Calculator Policy Checking
Variable Meaning Unit/Type Typical Range/Options
Calculator Brand Manufacturer of the calculator. Categorical Texas Instruments, Casio, HP, Sharp, Other
Calculator Model Specific model name or number. Text String e.g., TI-84 Plus CE, fx-9750GII
Has CAS? Presence of Computer Algebra System functionality. Boolean/Categorical Yes, No, Unsure
Has QWERTY Keyboard? Presence of a full QWERTY (typewriter-style) keyboard. Boolean/Categorical Yes, No, Unsure
Has Paper Tape/Printer? Ability to print or use paper tape. Boolean/Categorical Yes, No, Unsure
Can connect to internet/wireless? Built-in internet access or wireless communication. Boolean/Categorical Yes, No, Unsure
Has stylus/pen input? Requires a stylus or pen for operation. Boolean/Categorical Yes, No, Unsure
Has audio/video recording? Capabilities for recording or playing audio/video. Boolean/Categorical Yes, No, Unsure

Practical Examples: Real-World Use Cases for the ACT Calculator Policy Checker

To illustrate how the ACT Calculator Policy Checker works, let’s look at a few common scenarios with realistic calculator models.

Example 1: Texas Instruments TI-84 Plus CE (Allowed)

A student owns a popular graphing calculator and wants to ensure it’s allowed.

  • Inputs:
    • Calculator Brand: Texas Instruments
    • Calculator Model: TI-84 Plus CE
    • Has CAS?: No
    • Has QWERTY Keyboard?: No
    • Has Paper Tape/Printer?: No
    • Can connect to internet/wireless?: No
    • Has stylus/pen input?: No
    • Has audio/video recording?: No
  • Outputs:
    • Primary Result: ALLOWED
    • Reason for Status: Commonly Approved Model; No Prohibited Features Detected.
    • Key Prohibited Features Detected: None
    • Recommendation: You’re good to go! This calculator is widely accepted for the ACT.
  • Interpretation: The TI-84 Plus CE is a standard graphing calculator that lacks any of the prohibited features, making it a safe choice for the ACT.

Example 2: Texas Instruments TI-89 Titanium (Prohibited)

Another student has an older, more advanced TI calculator and needs to check its status.

  • Inputs:
    • Calculator Brand: Texas Instruments
    • Calculator Model: TI-89 Titanium
    • Has CAS?: Yes
    • Has QWERTY Keyboard?: No
    • Has Paper Tape/Printer?: No
    • Can connect to internet/wireless?: No
    • Has stylus/pen input?: No
    • Has audio/video recording?: No
  • Outputs:
    • Primary Result: PROHIBITED
    • Reason for Status: Explicitly Prohibited Model (TI-89 series); Contains CAS functionality.
    • Key Prohibited Features Detected: Computer Algebra System (CAS)
    • Recommendation: This calculator is not allowed. You must use a different, approved calculator.
  • Interpretation: The TI-89 Titanium is explicitly listed as prohibited by the ACT due to its CAS capabilities. Even if other features are compliant, the CAS alone makes it unacceptable.

Example 3: Casio ClassPad 330 (Prohibited)

A student with a Casio graphing calculator with a touch screen wants to verify its eligibility.

  • Inputs:
    • Calculator Brand: Casio
    • Calculator Model: ClassPad 330
    • Has CAS?: Yes
    • Has QWERTY Keyboard?: No
    • Has Paper Tape/Printer?: No
    • Can connect to internet/wireless?: No
    • Has stylus/pen input?: Yes
    • Has audio/video recording?: No
  • Outputs:
    • Primary Result: PROHIBITED
    • Reason for Status: Explicitly Prohibited Model (Casio ClassPad series); Contains CAS functionality; Requires stylus/pen input.
    • Key Prohibited Features Detected: Computer Algebra System (CAS), Stylus/Pen Input
    • Recommendation: This calculator is not allowed. You must use a different, approved calculator.
  • Interpretation: The Casio ClassPad 330 is prohibited both because it’s an explicitly banned model and because it features CAS and requires stylus input, both of which violate ACT policy.

How to Use This ACT Calculator Policy Checker

Using the ACT Calculator Policy Checker is straightforward. Follow these steps to quickly determine your calculator’s status:

  1. Identify Your Calculator: Have your calculator in front of you. Note its brand and exact model number.
  2. Select Brand: From the “Calculator Brand” dropdown, choose your calculator’s manufacturer (e.g., Texas Instruments, Casio).
  3. Enter Model: In the “Calculator Model” text field, type in the precise model number or name (e.g., TI-84 Plus CE, fx-9750GII).
  4. Evaluate Features: For each subsequent question (e.g., “Does it have a Computer Algebra System (CAS)?”), carefully examine your calculator and select “Yes,” “No,” or “Unsure.” If you’re not certain about a feature, it’s safer to select “Unsure” or research your model’s specifications.
  5. View Results: As you make selections, the calculator will update in real-time. The “Calculator Policy Status” will display your result.
  6. Review Intermediate Results: Below the main status, you’ll find details like the “Reason for Status,” “Key Prohibited Features Detected,” and a “Recommendation.” These provide context for the decision.
  7. Use the Chart: The “Feature Compliance Summary” chart visually represents how many prohibited or uncertain features were identified, giving you a quick overview.
  8. Copy Results (Optional): If you wish to save or share your findings, click the “Copy Results” button to copy the full output to your clipboard.
  9. Reset: To check a different calculator, click the “Reset” button to clear all inputs and start fresh.

How to Read the Results:

  • ALLOWED: Your calculator meets the ACT’s requirements. You can confidently bring this calculator to the test.
  • PROHIBITED: Your calculator has features or is a model explicitly banned by the ACT. You MUST obtain an approved calculator for the test.
  • VERIFY WITH ACT POLICY: There’s an uncertainty (e.g., you selected “Unsure” for a critical feature, or the model is not explicitly recognized). It’s highly recommended to consult the official ACT website or contact ACT directly for definitive clarification.

Decision-Making Guidance:

If your calculator is “PROHIBITED,” do not attempt to bring it. Borrow or purchase an approved model. If the result is “VERIFY WITH ACT POLICY,” take the time to confirm. It’s better to be safe than risk disqualification on test day. Consider having a backup, simple scientific calculator even if your primary graphing calculator is allowed, just in case of battery failure or other issues.

Key Factors That Affect ACT Calculator Policy Results

Understanding the specific features that influence the ACT Calculator Policy Checker‘s outcome is crucial for selecting an appropriate device. The ACT aims to ensure fairness and prevent any student from having an unfair advantage. Here are the primary factors:

  1. Computer Algebra System (CAS) Functionality: This is one of the most common reasons for prohibition. CAS calculators can perform symbolic manipulation, solve equations algebraically, and simplify expressions, which the ACT considers an unfair advantage as it bypasses the need for manual algebraic steps. Examples include TI-89, TI-92, HP 48GII, Casio ClassPad series.
  2. QWERTY Keyboard Presence: Calculators with a full typewriter-style (QWERTY) keyboard are strictly prohibited. The ACT views these as too similar to computers or communication devices, which are not allowed. This includes models like the HP 40G, HP 49G, and HP 50G.
  3. Wireless Communication/Internet Access: Any calculator capable of connecting to the internet, communicating wirelessly with other devices, or having Bluetooth/Wi-Fi capabilities is banned. This prevents cheating or unauthorized access to information during the test.
  4. Paper Tape/Printing Capabilities: Calculators that can print or have paper tape are not allowed. The ability to produce a physical record of calculations is considered a potential security risk.
  5. Stylus/Pen Input Requirement: Calculators that require a stylus or pen for operation (often associated with touchscreens) are generally prohibited. This is often linked to more advanced, computer-like functionalities.
  6. Audio/Video Recording or Playing Capabilities: Devices that can record or play audio or video are strictly forbidden to maintain test integrity and prevent distractions.
  7. Specific Model Prohibitions: Beyond general features, the ACT explicitly lists certain models as prohibited. These are often high-end graphing calculators that, even if not explicitly having all the above features, are deemed too powerful or complex for the test environment. Always check the official list.
  8. External Devices and Accessories: While not a calculator feature, the policy also prohibits external devices like power cords, headphones, or smartwatches. Only the calculator itself is allowed, and it must be battery-powered.

Frequently Asked Questions (FAQ) about the ACT Calculator Policy

Q: Can I use a scientific calculator on the ACT?

A: Yes, most basic scientific calculators are allowed on the ACT. They typically do not have the prohibited features like CAS or QWERTY keyboards. They are a safe and often recommended choice if you don’t need the advanced graphing capabilities.

Q: Are all graphing calculators allowed on the ACT?

A: No, this is a common misconception. While many popular graphing calculators (like the TI-83/84 series) are allowed, those with Computer Algebra Systems (CAS), QWERTY keyboards, or other prohibited features are not. Always use an ACT Calculator Policy Checker or consult the official ACT website.

Q: What if my calculator isn’t listed on the official ACT website?

A: If your calculator isn’t explicitly listed as allowed or prohibited, you must ensure it does not possess any of the prohibited features (CAS, QWERTY, wireless, etc.). If you’re unsure, it’s best to use a different, clearly approved calculator or contact ACT directly for clarification.

Q: What happens if I bring a prohibited calculator to the ACT?

A: If you bring a prohibited calculator, the test proctor will confiscate it, and you will not be allowed to use any calculator during the math section. In some cases, your scores may be canceled, or you could be dismissed from the test center. It’s a risk not worth taking.

Q: Is the ACT calculator policy different from the SAT?

A: Yes, there are differences. While both tests prohibit CAS and QWERTY keyboards, specific model lists and interpretations can vary. Always check the policy for the specific test you are taking. Our ACT Calculator Policy Checker is designed specifically for the ACT.

Q: Can I use a calculator on all sections of the ACT?

A: No, the calculator is only permitted for the Math section of the ACT. It is not allowed during the English, Reading, or Science sections.

Q: Should I bring a backup calculator to the ACT?

A: It is highly recommended to bring a backup calculator, especially if your primary calculator is a graphing model. Batteries can die, or calculators can malfunction. A simple, inexpensive scientific calculator can serve as an excellent backup.

Q: Where can I find the official ACT calculator policy?

A: The most up-to-date and definitive source for the ACT calculator policy is the official ACT website (act.org). Look for sections related to “What to Bring” or “Calculator Policy.”

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© 2023 ACT Prep Tools. All rights reserved. Disclaimer: This ACT Calculator Policy Checker is for informational purposes only and should be used as a guide. Always consult the official ACT website for the most current and definitive calculator policy.



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