ACT Calculator Policy Compliance Checker
Ensure your device meets the official act calculator policy requirements before test day.
Enter the specific model of your calculator.
CAS allows symbolic manipulation of algebraic expressions.
Calculators with computer-style keyboards are prohibited.
All communication-capable devices are strictly prohibited.
Select if your calculator has any of these physical traits.
Compliance Risk Visualization: Higher bars indicate policy conflicts.
| Calculator Family | Specific Model Examples | ACT Status | Policy Reason |
|---|---|---|---|
| TI-84 Series | Plus, Silver Edition, CE | Permitted | No prohibited features |
| TI-Nspire | CX, CX II (Non-CAS) | Permitted | Must not be CAS version |
| TI-Nspire CAS | CX CAS, CX II CAS | Prohibited | Computer Algebra System |
| TI-89 / TI-92 | TI-89 Titanium | Prohibited | CAS functionality |
| HP Prime | G1, G2 | Prohibited | CAS functionality |
| Casio Prizm | fx-CG50 | Permitted | Standard graphing |
What is the act calculator policy?
The act calculator policy is a comprehensive set of regulations established by the ACT organization to ensure fairness and academic integrity during the mathematics portion of the ACT exam. This policy dictates which electronic devices are allowed in the testing room and which are strictly prohibited. Understanding the act calculator policy is essential for every student, as using an unapproved device can lead to immediate dismissal and the cancellation of your scores.
Who should use this policy guide? Any high school student preparing for the ACT, as well as tutors and educators, must be intimately familiar with these rules. A common misconception is that all graphing calculators are allowed; however, the act calculator policy specifically bans certain high-end models that possess symbolic manipulation capabilities, known as Computer Algebra Systems (CAS).
act calculator policy Formula and Mathematical Explanation
While the act calculator policy is a set of rules, it follows a logical “Boolean Formula” for compliance. We can derive the compliance status of a device using the following logic variables:
| Variable | Meaning | Unit | Typical Range |
|---|---|---|---|
| C (CAS) | Symbolic manipulation | Binary | 0 or 1 |
| Q (QWERTY) | Keyboard layout | Binary | 0 or 1 |
| W (Wireless) | Communication capability | Binary | 0 or 1 |
| H (Hardware) | Physical distractions (noise/power) | Binary | 0 or 1 |
The Logical Compliance Formula under the act calculator policy is:
Compliance = (1 – C) × (1 – Q) × (1 – W) × (1 – H)
If the final result is 1, the calculator is permitted. If the result is 0, the device violates the act calculator policy.
Practical Examples (Real-World Use Cases)
Example 1: The TI-84 Plus CE
According to the act calculator policy, the TI-84 Plus CE has no CAS (C=0), no QWERTY keyboard (Q=0), no wireless communication (W=0), and is a standard handheld device (H=0). Using our formula: (1-0) * (1-0) * (1-0) * (1-0) = 1. Therefore, it is permitted under the act calculator policy.
Example 2: The TI-Nspire CX II CAS
Under the act calculator policy, this model includes CAS (C=1). Even if Q, W, and H are 0, the formula becomes: (1-1) * (1-0) * (1-0) * (1-0) = 0. This device is strictly prohibited by the act calculator policy and will result in disqualification if used.
How to Use This act calculator policy Calculator
- Enter your calculator model in the first field. This helps identify known edge cases.
- Check for CAS (Computer Algebra System). If your calculator can solve for ‘x’ symbolically (e.g., x + x = 2x), it likely violates the act calculator policy.
- Identify the keyboard layout. If it has a computer-style QWERTY keyboard, it is prohibited.
- Select device type. If it’s a phone app or tablet, it’s not allowed, regardless of the app’s features.
- Review the hardware features. Ensure your device doesn’t require a wall outlet or make noise.
- Review the result box. The checker will immediately show if your device is compliant with the act calculator policy.
Key Factors That Affect act calculator policy Results
- CAS Functionality: This is the most common reason for failure. The act calculator policy bans any tool that “does the algebra” for the student.
- Keyboard Design: Standard calculator pads are fine, but anything resembling a PC keyboard is a violation.
- Communication Capabilities: WiFi, Bluetooth, and cellular access are banned to prevent cheating. This is a core pillar of the act calculator policy.
- Power Requirements: You cannot plug your calculator into a wall. It must be battery-operated to ensure mobile testing conditions.
- Noise and Distraction: Devices that beep or print paper tape are banned as they disrupt other testers.
- Memory Clearing: While not a hardware ban, proctors may require you to clear your RAM according to the act calculator policy procedures.
Frequently Asked Questions (FAQ)
1. Can I use a TI-89 under the current act calculator policy?
No. The TI-89 has built-in CAS, which is explicitly prohibited by the act calculator policy.
2. Is the TI-Nspire CX allowed?
Yes, the TI-Nspire CX (non-CAS version) is allowed. Always double-check that your model does not say “CAS” on the front.
3. Can I bring two calculators to the test?
Yes, the act calculator policy allows you to bring a backup, but only one may be on your desk at a time.
4. What happens if my calculator makes noise?
You must turn off any sound features. If it cannot be silenced, it is prohibited by the act calculator policy.
5. Are solar-powered calculators okay?
Yes, as long as they don’t have prohibited features, solar-powered devices are fine.
6. Does the proctor check my calculator?
Yes, proctors are trained to identify prohibited models based on the act calculator policy list.
7. Can I use a calculator during the English or Reading sections?
No. The act calculator policy specifies that calculators are only for the Mathematics section.
8. What if my model isn’t on the ‘prohibited’ list?
If it doesn’t have CAS, QWERTY, or communication features, it’s generally safe, but you should verify with our act calculator policy checker.
Related Tools and Internal Resources
- act prep guide: Comprehensive strategies for the entire exam.
- sat vs act math: A detailed comparison of math requirements.
- best calculators for test day: Our top picks for compliant devices.
- act math formulas: The math you need to know, even with a calculator.
- testing accommodations: Rules for special testing needs.
- time management act: How to move quickly through the math section.