Can I Use a Graphing Calculator on the ACT?

Navigate the ACT’s calculator policy to ensure you’re prepared and don’t face issues on test day.

ACT Calculator Eligibility Checker

Calculator Status

Enter your calculator details to check eligibility.

Eligibility is determined by the ACT’s specific policy. Calculators are generally disallowed if they: possess wireless/network capabilities, have QWERTY keyboards, perform complex symbolic computations, or store/display extensive text or formulas beyond basic mathematical functions.

ACT Allowed Calculator List

Commonly Permitted Calculators

Brand	Model Example	Common Use	ACT Status
Texas Instruments	TI-30X IIS	Scientific Calculation	Allowed
Texas Instruments	TI-83 Plus	Graphing/Advanced Scientific	Allowed (if no disallowed features)
Casio	fx-115ES PLUS	Scientific Calculation	Allowed
Casio	fx-CG50	Color Graphing	Allowed (if no disallowed features)
Hewlett Packard (HP)	HP 35s	Scientific/RPN	Allowed
Sharp	EL-W516TBSL	Advanced Scientific	Allowed

ACT Calculator Policy: What’s Allowed?

Comparison of Calculator Feature Restrictions on the ACT

What is ACT Calculator Policy?

The ACT calculator policy outlines the specific rules regarding which calculators are permitted during the ACT test. The purpose of this policy is to ensure a fair testing environment by standardizing the tools students can use. Essentially, the ACT allows most standard scientific and graphing calculators, but prohibits those with certain advanced features that could provide an unfair advantage. This means calculators with features like wireless connectivity, QWERTY keyboards, or the ability to store and display extensive text files or programs are generally not allowed.

Who should use this checker?

Any student planning to take the ACT and intending to use a calculator should consult this policy and, ideally, use a checker like this one. High school students, particularly those in advanced math or science courses who own sophisticated graphing calculators, need to verify their device’s compliance. It’s crucial to check early in your preparation to avoid any last-minute surprises or the need to purchase a new calculator.

Common Misconceptions:

• “All graphing calculators are banned.” This is false. Many graphing calculators are allowed, provided they don’t have specific prohibited features.
• “If it’s not on the banned list, it’s allowed.” The ACT provides a list of banned models, but the policy is based on *features*, not just specific models. A calculator not explicitly banned might still be disallowed if it has prohibited features.
• “My calculator is old, so it must be okay.” While older calculators are less likely to have advanced features, it’s still essential to check against the policy criteria.

Understanding the ACT calculator policy is fundamental for test-day success.

ACT Calculator Policy: Formula and Mathematical Explanation

While there isn’t a single numerical formula to calculate “eligibility” in the traditional sense (like calculating interest), the ACT’s policy operates on a set of boolean (yes/no) conditions. Eligibility is determined by checking if the calculator possesses any of the prohibited features. We can represent this as a logical function:

Eligibility = NOT ( (Has Wireless OR Has QWERTY OR Has Computer Parts OR Stores Text/Formulas) )

Let’s break down the variables:

Variables in ACT Calculator Policy Evaluation

Variable	Meaning	Unit	Typical Range
Has Wireless	Calculator possesses wireless communication features (Wi-Fi, Bluetooth, etc.).	Boolean (Yes/No)	Yes / No
Has QWERTY	Calculator has a full QWERTY keyboard layout.	Boolean (Yes/No)	Yes / No
Has Computer Parts	Calculator can perform symbolic computations, run user-developed programs, or connect to external devices (like printers or other calculators).	Boolean (Yes/No)	Yes / No
Stores Text/Formulas	Calculator can store and display extensive text files, notes, or user-created formula libraries beyond basic function definitions.	Boolean (Yes/No)	Yes / No
Eligibility	Final determination of whether the calculator is permitted.	Boolean (Allowed/Disallowed)	Allowed / Disallowed

The ACT’s official stance is that calculators with these capabilities are prohibited. This checker evaluates your input against these criteria. If any of the “prohibited” conditions are met (marked as “Yes”), the calculator is likely disallowed. If all are “No,” it is generally permitted, assuming it meets basic functionality requirements (e.g., it’s not a phone or tablet).

Practical Examples (Real-World Use Cases)

Example 1: The TI-84 Plus

Input Details:

• Calculator Model Name: TI-84 Plus
• Has Wireless Connectivity? No (Standard models)
• Has QWERTY Keyboard? No
• Has Computer-Like Functions? Yes (Can run programs, performs symbolic calculations)
• Stores/Displays Text or Formulas? Yes (Can store programs and some text)

Analysis: The TI-84 Plus is a popular graphing calculator. While it doesn’t have wireless capabilities or a QWERTY keyboard, its ability to run programs and perform symbolic computations often places it in a gray area according to strict interpretations of the policy. However, the ACT has historically allowed many standard TI-83 and TI-84 models because their programming and symbolic features are considered integral to their function as graphing calculators, and they lack the more advanced disallowed features like internet connectivity. The ACT specifically lists many TI-83/84 models as permitted, provided they don’t have added hardware or firmware.

Result: Generally Allowed (Verify specific model and ensure no unauthorized modifications).

Interpretation: Students can typically use their TI-84 Plus on the ACT. It’s always wise to double-check the latest ACT guidelines and ensure the calculator hasn’t been modified with prohibited software or hardware.

Example 2: Casio fx-CG50

Input Details:

• Calculator Model Name: Casio fx-CG50
• Has Wireless Connectivity? Yes (Built-in Bluetooth)
• Has QWERTY Keyboard? No
• Has Computer-Like Functions? Yes (Advanced graphing, programming)
• Stores/Displays Text or Formulas? Yes (Can store notes, extensive functions)

Analysis: The Casio fx-CG50 features color graphing and built-in Bluetooth. The presence of Bluetooth immediately flags it as potentially disallowed due to wireless connectivity. Even though it’s a powerful graphing tool, the wireless feature is a clear violation of the ACT’s policy against calculators with network capabilities.

Result: Disallowed (Due to wireless connectivity).

Interpretation: A student with a Casio fx-CG50 would not be permitted to use it on the ACT because of its Bluetooth feature. They would need to use an alternative calculator that complies with the ACT’s policy, such as a basic scientific calculator or a graphing calculator without wireless capabilities.

Example 3: A Smartphone App Calculator

Input Details:

• Calculator Model Name: Phone Calculator App (e.g., Google Calculator)
• Has Wireless Connectivity? Yes (Implicitly via phone)
• Has QWERTY Keyboard? Yes (On-screen)
• Has Computer-Like Functions? Yes (Symbolic, advanced math)
• Stores/Displays Text or Formulas? Yes (Can store history, complex functions)

Analysis: Smartphones, tablets, and smartwatches are explicitly banned from use as calculators on the ACT. They possess all the prohibited features: wireless connectivity, QWERTY keyboards, extensive computing power, and the ability to store vast amounts of information. Using a phone as a calculator is a direct violation.

Result: Disallowed (Explicitly banned). Associated with unauthorized electronic devices.

Interpretation: Under no circumstances should a student attempt to use a smartphone or similar device as a calculator on the ACT. This would lead to immediate disqualification.

How to Use This ACT Calculator Policy Checker

Using this calculator policy checker is straightforward. Follow these simple steps to determine if your calculator is allowed on the ACT:

1. Identify Your Calculator Model: Find the exact model name printed on your calculator.
2. Input the Model Name: Type the model name into the “Calculator Model Name” field. This helps provide context but the primary check relies on the feature toggles.
3. Answer the Feature Questions: For each of the following questions, select “Yes” or “No” based on your calculator’s capabilities:
   • Does it have wireless connectivity (Wi-Fi, Bluetooth)?
   • Does it have a QWERTY keyboard?
   • Does it have computer-like functions (programming, symbolic math, external device connection)?
   • Can it store and display text files or extensive formula lists?
4. Click “Check Eligibility”: Press the button to get an instant assessment.
5. Review the Results: The “Calculator Status” will clearly state whether your calculator is likely “Allowed” or “Disallowed.” The “Key Eligibility Factors” will highlight which specific features led to the conclusion.
6. Understand the Explanation: Read the brief explanation of the formula used to understand the reasoning behind the result.

How to Read Results:

• Allowed: Your calculator likely meets the ACT’s criteria. However, always ensure it has no unauthorized modifications or programs.
• Disallowed: Your calculator possesses one or more features explicitly prohibited by the ACT. You will need to use a different calculator for the exam.

Decision-Making Guidance: If your calculator is deemed disallowed, do not wait until the last minute. Research and purchase an ACT-approved calculator, or ensure you are familiar with the basic scientific calculator functions that are always permitted. Consulting the official ACT calculator policy is always the final authority.

Key Factors That Affect ACT Calculator Policy Results

Several factors contribute to whether a calculator is permitted on the ACT. Understanding these is crucial for making informed decisions about which device to bring:

1. Wireless and Network Capabilities: This is perhaps the most critical factor. Calculators with Wi-Fi, Bluetooth, cellular modems, or any form of network connectivity are strictly prohibited. The ACT aims to prevent real-time communication or data access during the test.
2. QWERTY Keyboards: Calculators featuring a full alphabetical keyboard (like a computer’s QWERTY layout) are disallowed. These are often found on more advanced handheld devices that blur the line between calculator and computer.
3. Symbolic Computation and Programming: Calculators capable of performing symbolic mathematics (like solving algebraic equations algebraically) or running user-created programs are often restricted. While many standard graphing calculators can do this, the ACT policy usually permits them if they lack other disallowed features. However, calculators designed primarily for advanced computer algebra systems (CAS) may be flagged.
4. Storing and Displaying Text/Data: Devices that can store and display extensive text files, notes, formulas, or other non-mathematical data are generally banned. This is to prevent students from storing cheat sheets or study materials. Basic memory functions for variables or equations are usually acceptable.
5. External Device Connectivity: Calculators that can connect to printers, other calculators, or external storage devices might be disallowed, as this implies advanced computing capabilities beyond standard math functions.
6. Built-in Functions vs. User-Added Features: The ACT generally permits calculators with standard built-in functions, even complex ones. Issues arise when users attempt to add unauthorized software, programs, or hardware modifications that introduce prohibited capabilities. Always ensure your calculator is in its factory default state regarding software and firmware.
7. Model Specific Bans: While the policy is feature-based, the ACT also maintains a list of specific calculator models that are banned. These are typically devices that have historically caused issues or clearly violate the feature rules. Always cross-reference your model with this list if available.

Choosing a calculator that adheres to the ACT calculator rules simplifies test preparation.

Frequently Asked Questions (FAQ)

Is my TI-84 Plus allowed on the ACT?

Most standard TI-83 Plus and TI-84 Plus models are allowed on the ACT. However, ensure your specific model does not have added hardware or software that enables wireless communication or other prohibited features. Always check the official ACT list of banned calculators.

Can I use a Casio graphing calculator like the fx-9750GIII?

Generally, yes, many Casio graphing calculators are permitted. Check that your specific model does not have features like internet connectivity, QWERTY keyboards, or extensive text storage capabilities that would violate the ACT policy.

Are phones or tablets allowed as calculators?

No, absolutely not. Phones, tablets, smartwatches, and any similar electronic devices with communication or advanced computing capabilities are strictly prohibited and may lead to test disqualification.

What if my calculator has a “solver” function?

Many calculators have built-in solver functions for equations. If this function is part of the standard, non-programmable features and doesn’t perform complex symbolic manipulation (like solving systems of equations algebraically), it is usually acceptable. However, calculators designed primarily as Computer Algebra Systems (CAS) might be disallowed.

What are the basic scientific calculators allowed on the ACT?

Basic scientific calculators that perform standard arithmetic, trigonometric, logarithmic, and exponential functions are always permitted. Examples include the TI-30X series, Casio fx-115ES PLUS, and HP 35s. They lack the advanced features that trigger disqualification.

Can I use a calculator that stores notes or formulas?

The ACT policy generally prohibits calculators that can store and display extensive text files or user-created formula libraries. If your calculator’s memory is primarily for variables or program code (in the context of permitted programming), it might be okay, but storing text notes is usually a violation.

What should I do if my calculator is not on the banned list but has features that might be questionable?

It’s best to err on the side of caution. If your calculator has features like extensive programming capabilities, symbolic math, or any form of connectivity, and it’s not explicitly listed as allowed, consider using a simpler, guaranteed-approved scientific calculator. Always refer to the official ACT calculator policy page for the most current information.

Do I need a graphing calculator for the ACT Math section?

Not necessarily. While a graphing calculator can be helpful for certain problems, many students successfully complete the ACT Math section using only a standard scientific calculator. Understanding fundamental math concepts and problem-solving strategies is more critical than the specific calculator used.

Related ACT Resources

• ACT Math Formulas Guide Essential formulas for the ACT Math test.
• Understanding ACT Scoring How your ACT score is calculated.
• ACT Preparation Tips Strategies for maximizing your ACT score.
• SAT vs ACT Comparison Key differences between the two major college entrance exams.
• Best Graphing Calculators for Students Reviews and recommendations for student calculators.
• ACT Calculator Policy FAQ More in-depth answers to common calculator policy questions.

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