ACT Calculator Policy Checker
Instantly determine if your calculator is permitted on the ACT test day based on the official ACT calculator policy.
Enter the model you see on your calculator. Accuracy helps determine its status.
Select any features your calculator has. This is crucial for the ACT calculator policy evaluation.
Understanding The ACT Calculator Policy
What is the ACT Calculator Policy?
The ACT calculator policy is a set of rules established by ACT, Inc. to ensure fairness and test security for all students taking the ACT test. This policy specifies which calculators are permitted, which are prohibited, and which require modification for use during the math portion of the exam. The goal is to prevent any student from having an unfair advantage through advanced computational tools, while still allowing a calculator for complex arithmetic. The policy is strictly enforced, and non-compliance can lead to dismissal from the test center. Understanding the ACT calculator policy is a critical part of test preparation. All problems on the ACT can be solved without a calculator, but using a familiar and permitted device can be key to managing time effectively.
ACT Calculator Policy Rules and Logic Explanation
Unlike a mathematical formula, the ACT calculator policy is a logical framework based on a list of prohibited features. The “calculation” performed by this tool is a series of checks against these rules. If a calculator has even one prohibited feature, it is not allowed. Certain models known to have these features are banned by name.
| Feature/Rule | Meaning | Status | Common Examples |
|---|---|---|---|
| Computer Algebra System (CAS) | The ability to solve algebraic equations symbolically, simplify expressions, and perform calculus. | Strictly Prohibited | TI-89, TI-92, TI-Nspire CAS, HP Prime |
| QWERTY Keyboard | A keyboard laid out like a computer keyboard. | Strictly Prohibited | TI-92 Plus, Voyage 200 |
| Wireless/Communication | Any Bluetooth, Wi-Fi, or infrared data port that is not covered. | Strictly Prohibited | Many modern devices, some older HP models |
| External Power | Requires being plugged into an electrical outlet. | Strictly Prohibited | N/A (Calculators are battery-powered) |
| Non-Calculator Devices | Phones, tablets, laptops, smartwatches. | Strictly Prohibited | iPhone, Android devices, Apple Watch |
Practical Examples (Real-World Use Cases)
Example 1: The Permitted Workhorse
- Calculator Model: Texas Instruments TI-84 Plus
- Inputs: Has CAS? (No), Has QWERTY? (No), Needs Power? (No), Has Wireless? (No), Is Device? (No).
- Output: PERMITTED.
- Interpretation: The TI-84 Plus is one of the most common allowed calculators for ACT. It is a graphing calculator without any prohibited features like CAS or a QWERTY keyboard, making it a safe and reliable choice for test day.
Example 2: The Prohibited Powerhouse
- Calculator Model: Texas Instruments TI-Nspire CX II CAS
- Inputs: Has CAS? (Yes), Has QWERTY? (No), Needs Power? (No), Has Wireless? (No), Is Device? (No).
- Output: PROHIBITED.
- Interpretation: Although it’s a powerful calculator, its Computer Algebra System (CAS) functionality is explicitly banned by the ACT calculator policy. Students with this calculator must use a different, non-CAS model.
How to Use This ACT Calculator Policy Calculator
Using this tool is straightforward and designed to give you a clear answer quickly.
- Enter Model Name: Type your calculator’s model name into the first input field. This helps identify known prohibited models.
- Check for Features: Carefully review the checklist. For each question, check the box if your calculator has that specific feature. This is the most important step for a correct ACT calculator policy evaluation.
- Check Permissibility: Click the “Check Permissibility” button.
- Review Results: The tool will provide a primary result: PERMITTED, PROHIBITED, or CHECK MANUALLY. It also gives a breakdown of why that decision was reached, based on your inputs. The chart provides a quick visual confirmation.
Key Factors That Affect ACT Calculator Permissibility
Several key factors determine whether a calculator is allowed. Understanding these is vital for complying with the ACT calculator policy.
- Computer Algebra System (CAS): This is the most common reason for a calculator to be banned. CAS can perform symbolic algebra, which gives an unfair advantage. Models with “CAS” in their name are always prohibited.
- QWERTY Keyboards: Calculators with typewriter-like keyboards are not allowed. This is to prevent the storing of notes.
- Communication Capabilities: Any device that can communicate wirelessly (Bluetooth, infrared, Wi-Fi) is banned. This prevents cheating. Some older calculators with infrared ports are allowed if the port is completely covered with opaque tape.
- Device Type: The ACT calculator policy is clear that only standalone calculators are permitted. Phones, tablets, smartwatches, and laptops are strictly forbidden, even if you only use a calculator app.
- Power Source: Calculators needing an electrical outlet are not allowed. Your calculator must be battery-powered. It’s wise to bring extra batteries or a backup calculator.
- Noise and Printing: Calculators that make noise must be muted. Those with a paper tape printer are only allowed if the tape is removed before the test. For more insights on test strategy, see our guide on the SAT vs ACT.
Frequently Asked Questions (FAQ)
Yes, most graphing calculators are allowed, provided they do not have a CAS. Popular permitted models include the TI-84 Plus series and the TI-Nspire (non-CAS). Always check your specific model against the ACT calculator policy.
The test proctor will not allow you to use it. If you don’t have a backup, you will have to take the math test without a calculator. Being caught with a prohibited device during the test can lead to dismissal and voiding of your scores.
It depends. The TI-Nspire (non-CAS) and TI-Nspire CX (non-CAS) are permitted. However, the TI-Nspire CAS and TI-Nspire CX CAS are strictly prohibited. The key is the “CAS” designation.
The ACT calculator policy states that calculators may not hold documents or programs with CAS functionality. While proctors may not always check, it is your responsibility to remove any such programs. It’s a good practice to clear your memory to be safe. Consider our ACT math practice tests to get familiar with what you’ll face.
Yes, the policy for handheld calculators is the same. However, the digital ACT also includes an on-screen Desmos graphing calculator, which you can use in addition to or instead of your handheld one.
The best calculator is one you are familiar with that is permitted by the ACT calculator policy. There is no need to buy an expensive new model. A familiar scientific calculator or a basic graphing calculator like the TI-84 is more than sufficient. Our tutoring services can help you master its functions.
Students with documented disabilities may be approved to use accessible calculators (e.g., audio or Braille) as an accommodation. This must be arranged and approved with ACT well in advance of the test date.
No, absolutely not. Using a phone for any reason during the test is strictly prohibited and will result in your immediate dismissal. Check our college admissions guide for more tips on preparing for application season.