Can You Use a Graphing Calculator on the ACT? Calculator & Guide


Can You Use a Graphing Calculator on the ACT?

ACT Calculator Policy Checker

Not all calculators are allowed on the ACT. Ensure your graphing calculator meets the requirements to avoid issues on test day. Use this tool to quickly check common calculator features against ACT guidelines.



This includes any feature that can connect to other devices or networks.



Features like smartphone-style keyboards or stylus input.



Consider if it can display more than standard calculator output.



Check for CAS, programming capabilities, or substantial memory beyond basic math.



Having the manual is the best way to confirm features.



Calculator Feature Comparison

Feature Category Commonly Allowed Often Prohibited ACT Guideline
Basic Functions Yes (Arithmetic, Trig, Log) N/A Generally allowed
Graphing/Scientific Display Yes N/A Allowed, unless other restrictions apply
Wireless Connectivity No Yes (Wi-Fi, Bluetooth) Prohibited
QWERTY Keyboard No Yes Prohibited
Advanced Software (CAS) No Yes Prohibited
Internet Access No Yes Prohibited
Touchscreen/Large Display Depends on model & other features Often prohibited if advanced Check specific model; screen itself not primary restriction unless it enables prohibited functions.

What is ACT Calculator Policy?

The ACT Calculator Policy refers to the specific rules and guidelines set forth by the ACT organization regarding which types of calculators are permitted for use during the standardized test. The ACT aims to ensure a fair testing environment for all students by preventing the use of devices that could provide an unfair advantage. This policy is crucial for test-takers, especially those who rely on graphing or advanced scientific calculators for their mathematics coursework.

Who should use this information?

Any student planning to take the ACT, particularly those using graphing calculators, scientific calculators, or any advanced electronic device with computational capabilities, should familiarize themselves with the ACT calculator policy. This includes students in Algebra II, Pre-calculus, Calculus, and Statistics, where advanced calculators are commonly employed.

Common Misconceptions about ACT Calculators:

  • “If it’s a graphing calculator, it’s banned.” Not necessarily. Many graphing calculators are allowed as long as they don’t have prohibited features.
  • “Any calculator that can graph is forbidden.” The ACT specifically allows calculators that can graph functions, solve equations, and perform other advanced mathematical operations, provided they meet the stipulated criteria.
  • “The ACT has a list of approved calculators.” While ACT doesn’t maintain an exhaustive list of *approved* models, they do provide clear criteria and a list of *banned* functions and features. The best approach is to check your specific model against these criteria.
  • “If my teacher uses it in class, it’s fine for the ACT.” School policies may differ significantly from ACT regulations. Always verify with ACT guidelines.

ACT Calculator Policy Logic and Evaluation

The ACT calculator policy isn’t based on a single mathematical formula in the traditional sense. Instead, it’s an evaluative checklist based on a set of criteria. We can represent this policy evaluation as a logical decision process to determine calculator eligibility.

The core logic for determining if a calculator is permitted can be broken down into a series of checks:

  1. Check for Prohibited Features: A calculator is immediately disqualified if it possesses any of the following:
    • Wireless connectivity (Wi-Fi, Bluetooth, Cellular, etc.)
    • QWERTY keyboard
    • Ability to record or play video/audio
    • Ability to connect to the internet
    • Ability to use Computer Algebra System (CAS)
    • Ability to use handwriting recognition
    • Ability to use electronic pianolas or other derivatives
    • Ability to perform advanced symbolics or calculus operations beyond standard scientific functions
  2. Check Screen Type Restrictions: If the calculator does NOT have prohibited features from Step 1, its screen type is evaluated. Calculators with screens that display more than two lines of text OR are designed for advanced graphing/scientific visualization are generally allowed, provided they meet Step 1 criteria. Simple 2-line calculators are also allowed.
  3. Final Determination: If a calculator passes Step 1 (no prohibited features) and meets the screen criteria (typically allowing advanced displays if other features are compliant), it is generally permitted. If it fails Step 1, it is prohibited, regardless of screen type.

Variable Definitions Table:

Variable Meaning Unit Typical Range
Wireless Connectivity Presence of Wi-Fi, Bluetooth, Cellular, or similar communication modules. Boolean (Yes/No) Yes/No
QWERTY Keyboard Presence of a full alphabetic keyboard layout. Boolean (Yes/No) Yes/No
Screen Type Capability and complexity of the display. Categorical Standard (<= 2 lines), Graphing/Scientific, Touchscreen/Large Color
Advanced Functions Presence of CAS, internet access, programming, or extensive data storage. Boolean (Yes/No/Specific Type) Yes (CAS)/Yes (Internet)/Yes (Programming)/No
Manual/Documentation Availability of official product specifications. Boolean (Yes/No) Yes/No
ACT Compliance Final eligibility status for the ACT. Categorical Permitted / Prohibited

Practical Examples

Let’s analyze a couple of common calculator scenarios:

Example 1: Standard Graphing Calculator

  • Calculator Model: Texas Instruments TI-84 Plus
  • Inputs:
    • Wireless Connectivity: No
    • QWERTY Keyboard: No
    • Screen Type: Graphing/scientific display
    • Advanced Functions: No (Standard scientific functions, graphing, equation solving)
    • Manual/Documentation: Yes
  • Evaluation:
    • Does it have wireless connectivity? No.
    • Does it have a QWERTY keyboard? No.
    • Does it have prohibited advanced functions (CAS, internet)? No.
    • Is the screen type acceptable? Yes, graphing displays are allowed if other criteria are met.
  • Result: Permitted
  • Interpretation: The TI-84 Plus is a standard graphing calculator that meets the ACT’s criteria for allowed devices. Its graphing capabilities and advanced scientific functions are permitted as long as it lacks wireless communication, a QWERTY keyboard, or CAS.

Example 2: Advanced Scientific Calculator with Connectivity

  • Calculator Model: Casio fx-CG50 (or similar with potential connectivity)
  • Inputs:
    • Wireless Connectivity: Yes (e.g., Bluetooth or Wi-Fi module available/enabled)
    • QWERTY Keyboard: No
    • Screen Type: Large Color Touchscreen (Graphing/Scientific)
    • Advanced Functions: No (Standard scientific functions, graphing)
    • Manual/Documentation: Yes
  • Evaluation:
    • Does it have wireless connectivity? Yes.
  • Result: Prohibited
  • Interpretation: Even though the Casio fx-CG50 has a sophisticated graphing display and standard scientific functions, the presence of wireless connectivity makes it prohibited for use on the ACT. Test-takers must disable or remove any such modules. If disabling is not possible or the model inherently includes prohibited features like CAS, it cannot be used.

How to Use This ACT Calculator Policy Checker

Using the ACT Calculator Policy Checker is straightforward. Follow these steps to determine if your calculator is likely compliant:

  1. Gather Your Calculator Information: Have your graphing or scientific calculator in front of you. You’ll need to know its specific features.
  2. Input Features: For each question in the calculator section:
    • Connectivity: Select “Yes” if it has Wi-Fi, Bluetooth, or any wireless capability. Select “No” otherwise.
    • QWERTY Keyboard: Select “Yes” if it has a full keyboard layout. Select “No” otherwise.
    • Screen Type: Choose the option that best describes your calculator’s screen. If it can display multiple lines of text, graphs, or advanced data, select “Graphing or scientific display” or “Other.” If it’s a very basic, single or dual-line display, choose “Standard Display.”
    • Advanced Functions: Select the option that best fits. If it has a Computer Algebra System (CAS), can connect to the internet, or has extensive programming capabilities beyond basic scripts, choose the appropriate “Yes” option. Otherwise, select “No.”
    • Manual: Select “Yes” if you have the physical or digital manual. This is always the best source for definitive information.
  3. Click “Check Policy”: Once all fields are filled, click the button.
  4. Read the Results:
    • Main Result: This will clearly state whether your calculator is likely “PERMITTED” or “PROHIBITED” based on the entered features.
    • Intermediate Results/Notes: These provide specific reasons for the determination, highlighting which features are compliant or non-compliant. Pay close attention to these notes, as they often contain crucial details.
  5. Interpret and Decide: If your calculator is marked “PERMITTED,” it should be acceptable. If “PROHIBITED,” you must use a different calculator on the ACT. If unsure, consult the official ACT calculator policy or bring your calculator manual to the testing center.
  6. Reset: Use the “Reset” button to clear all fields and start over with a different calculator or to correct input errors.
  7. Copy Results: Use “Copy Results” to save the outcome and notes for future reference.

Key Factors Affecting ACT Calculator Compliance

Several factors determine whether a calculator is allowed on the ACT. Understanding these can help you make informed decisions about which device to bring:

  1. Wireless Communication Capabilities: This is the most significant factor. Any calculator with Wi-Fi, Bluetooth, cellular data, or infrared data transfer is strictly prohibited. The ACT wants to prevent communication or data sharing during the exam.
  2. On-Screen Functionality: Calculators with features like Computer Algebra Systems (CAS), which can perform symbolic manipulation (e.g., simplifying algebraic expressions algebraically rather than numerically), advanced calculus operations (like symbolic integration or differentiation), or equation solvers that provide exact symbolic solutions are banned. Standard numerical solvers and graphing functions are typically allowed.
  3. Input Methods: Calculators featuring a full QWERTY keyboard, handwriting recognition capabilities, or touchscreen interfaces that mimic smartphone interactions are generally prohibited. While some advanced graphing calculators have touchscreens, their allowance often hinges on whether these interfaces enable prohibited functions.
  4. Memory and Data Storage: While calculators can store programs or data, the ACT prohibits devices that can access the internet, store extensive pre-programmed notes, or function as data storage devices beyond typical scientific/graphing functions. Storing formulas or notes is not permitted.
  5. Screen Display: The ACT does not ban calculators solely based on their screen type (e.g., color, touch, graphing capabilities). However, the display must not facilitate prohibited functions. A graphing screen is generally fine; a screen that allows internet browsing is not.
  6. Official Documentation: The presence or absence of the calculator’s official manual can be a deciding factor if proctors are unsure. Having the manual allows for quick verification against ACT guidelines. If a calculator is not explicitly banned but its features are ambiguous, having the manual can help prove its compliance.

Frequently Asked Questions (FAQ)

Can I use my TI-89 on the ACT?
No, the TI-89 and similar calculators (like TI-92, Voyage 200) are prohibited because they have Computer Algebra System (CAS) capabilities, which are banned by the ACT.

Is my Casio calculator allowed?
It depends on the model. Many Casio graphing calculators (like the PRIZM fx-CG50) are allowed if they do not have wireless connectivity or other prohibited features. Check the specific model against the ACT guidelines.

What if my calculator has a touchscreen?
A touchscreen itself is not a reason for disqualification. However, if the touchscreen enables features like internet browsing, QWERTY input, or advanced programming beyond standard graphing functions, the calculator would be prohibited.

Can I use my smartphone as a calculator on the ACT?
No. Smartphones are prohibited electronic devices during the ACT administration due to their extensive capabilities (internet, apps, communication).

What should I do if my calculator is borderline?
If your calculator has features that might be questionable (e.g., a feature you’re unsure about, or a model that’s not explicitly listed as banned), it’s best to err on the side of caution. Consider bringing a simpler, approved scientific calculator as a backup. You can also contact ACT directly for clarification, but bringing a known compliant calculator is the safest bet.

Can I disable prohibited features on my calculator?
If your calculator has a “test mode” or a way to disable prohibited features (like wireless connectivity or CAS), you may be able to use it. However, this must be reliably done and verifiable. It’s often simpler and safer to use a calculator that natively complies with the policy. Check your calculator’s manual and ACT guidelines carefully.

Does the ACT provide calculators?
No, the ACT does not provide calculators. You are responsible for bringing your own approved calculator.

What are the penalties for using a prohibited calculator?
Using a prohibited calculator can result in your test scores being canceled. It’s crucial to ensure your device complies with the ACT’s policy to avoid such consequences.

© ACT Calculator Policy Guide. All rights reserved.



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