ACT Approved Calculator Finder
Find Calculators You Can Use on the ACT
Use this tool to find ACT-approved calculators based on your needs. Selecting the right tool is a key step in your test preparation.
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This tool filters a database of common calculators based on ACT guidelines and your selected preferences. It does not represent an official endorsement from ACT.org.
What Are Calculators That You Can Use on the ACT?
The phrase “calculators that you can use on the act” refers to the specific electronic devices permitted by ACT.org for use during the mathematics section of the ACT test. Not all calculators are allowed; the policy is designed to ensure fairness and prevent any student from having an unfair advantage. Understanding this policy is crucial for test day success. You can use most four-function, scientific, or graphing calculators, provided they are not on the prohibited list.
The core principle is that the calculator should be a tool for computation, not a device that stores notes, provides computer algebra system (CAS) functionality, or can communicate with other devices. This guide will help you navigate the nuances of choosing from the many available calculators that you can use on the act.
Who Should Use This Guide?
This guide is for any student preparing for the ACT test, as well as parents and educators who support them. If you’re wondering if your current calculator is compliant or you’re looking to purchase a new one, this information will clarify which calculators that you can use on the act are the best fit for your strategy and budget.
Common Misconceptions
A frequent misconception is that the most expensive graphing calculator is always the best choice. While powerful, these devices can be complex, and familiarity is often more important than features. Another myth is that you need a graphing calculator to score well. The truth is, every problem on the ACT can be solved without a calculator, so the device is a tool for efficiency, not a requirement.
ACT Calculator Policy: The “Formula” Explained
While not a mathematical formula, the ACT’s calculator policy is a set of rules that determines if a device is permitted. The basic rule is: any four-function, scientific, or graphing calculator is allowed unless it is explicitly prohibited. The main prohibitions target devices with Computer Algebra Systems (CAS), QWERTY keyboards, or wireless communication. Knowing the details of the calculators that you can use on the act is vital.
Here’s a step-by-step breakdown of the criteria:
- Check for Prohibited Features: The most critical step is ensuring the calculator does not have a Computer Algebra System (CAS). CAS can solve equations symbolically, which is against ACT rules. Models like the TI-89, TI-92, and TI-Nspire CAS are banned.
- No Communication: Calculators with infrared ports, Wi-Fi, or Bluetooth are not allowed. Some older models with infrared ports must have the port covered with opaque tape.
- No QWERTY Keyboards: Any calculator that has a typewriter-style keyboard is prohibited.
- Check for Required Modifications: Some calculators are allowed only if modified. For example, devices that make noise must be silenced, and those with paper tape must have the tape removed.
| Variable (Feature) | Meaning | Status | Typical Range / Examples |
|---|---|---|---|
| Function Type | The calculator’s core capability. | Permitted | 4-Function, Scientific, Graphing |
| CAS (Computer Algebra System) | Ability to solve equations symbolically. | Prohibited | TI-89, TI-Nspire CAS, HP Prime |
| QWERTY Keyboard | A typewriter-style keyboard. | Prohibited | N/A (No modern calculators feature this) |
| Wireless Communication | Infrared, Bluetooth, Wi-Fi capabilities. | Prohibited | Phones, tablets, smartwatches |
| Programs/Documents | Stored applications or files. | Must Be Removed | Games or notes must be deleted |
Practical Examples: Choosing a Calculator
Example 1: Budget-Conscious Student
A student is looking for a reliable and affordable scientific calculator. They don’t need graphing capabilities but want something efficient for trigonometry and exponents. They use our calculator finder.
- Inputs: Type = Scientific, Budget = Under $25, Brand = All
- Output: The tool recommends the TI-30XS MultiView.
- Interpretation: This is an excellent choice. It’s inexpensive, powerful enough for all ACT math problems, and widely recommended. It’s one of the most effective calculators that you can use on the act without a steep learning curve.
Example 2: Advanced Math Student
A student is comfortable with graphing calculators and wants a high-end device to visualize functions and speed up problem-solving. Their budget is flexible.
- Inputs: Type = Graphing, Budget = Over $100, Brand = Texas Instruments
- Output: The tool recommends the TI-84 Plus CE.
- Interpretation: The TI-84 Plus CE is a popular and powerful choice. It’s permitted on the ACT and its graphing features can save time on certain problems. However, the student must ensure no prohibited programs are stored on it. This is a top-tier option among the calculators that you can use on the act.
How to Use This ACT Calculator Finder
Our tool is designed to simplify the process of finding permitted calculators that you can use on the act.
- Select Calculator Type: Choose between “Graphing,” “Scientific,” or “4-Function” based on your needs and familiarity. If you’re unsure, select “All Types.”
- Set Your Budget: Define your price range to narrow down the options.
- Choose a Brand (Optional): If you have a preference for Texas Instruments, Casio, or another brand, select it here.
- Review the Results: The tool will instantly display a top recommendation, a list of matching models, and a price comparison chart.
- Make an Informed Decision: Use the provided information and the detailed article below to choose the best calculator for your ACT test day. Always double-check the specific model number against the official ACT policy.
Key Factors That Affect Your Calculator Choice
Choosing from the list of calculators that you can use on the act involves more than just checking a list. Here are six factors to consider:
- Familiarity: The best calculator is the one you know how to use. A complex graphing calculator is useless if you can’t operate it quickly under pressure. Practice with your chosen calculator for weeks before the test.
- Speed and Efficiency: A good calculator has an intuitive layout. For scientific calculators, a multi-line display (like the TI-30XS MultiView) can save time by showing both the input and the result.
- Battery Life: The last thing you want is a dead calculator mid-test. Check the batteries before test day or bring a backup. The ACT staff will not provide replacements.
- Required Functions: While all problems are solvable without a calculator, having direct keys for fractions, roots, and trigonometric functions is a significant time-saver. Graphing functions can also help with coordinate geometry problems.
- Durability: Your calculator will be part of your study routine. A sturdy build quality ensures it will last through practice sessions and the actual test.
- Test Day Legality: This is the most critical factor. No matter how good a calculator is, it’s worthless if it’s on the ACT’s prohibited list. Always verify your model is permitted. This is the foundation of finding calculators that you can use on the act.
Frequently Asked Questions (FAQ)
No. While most graphing calculators are allowed, models with a built-in Computer Algebra System (CAS) are strictly prohibited. Examples include the TI-89 and HP Prime.
Yes, you must remove any stored programs, notes, or documents. Proctors may inspect your calculator, and having prohibited content could lead to dismissal.
Yes, all versions of the TI-84 Plus (including the Plus CE) are allowed on the ACT as they do not have CAS functionality. It’s one of the most popular calculators that you can use on the act.
No. Any device with communication capabilities, including phones, tablets, and smartwatches, is strictly forbidden.
Testing staff will not permit you to use it. You may have to take the math test without a calculator or, in some cases, be dismissed from the test.
No, calculators are only permitted on the mathematics section of the ACT.
No, sharing calculators is not allowed under any circumstances during the test.
The most current policy is always available on the official ACT website. You should check it close to your test date for any updates. This guide and tool are based on the latest published information.