Can You Use a Graphing Calculator on the ACT?
Official Eligibility Checker & Rules for 2024-2025
Choose the manufacturer of your device.
Calculators with CAS functionality are strictly prohibited.
Calculators with full QWERTY keyboards are not allowed.
Communication features must be disabled or the device is banned.
ACT Eligibility Score Visualization
A full green bar indicates the calculator is 100% compliant with ACT guidelines.
What is the ACT Calculator Policy?
When preparing for college admissions, a frequent question among students is: can you use a graphing calculator on the act? The short answer is yes, but with several significant caveats. Unlike some other standardized tests, the ACT has a very specific “Prohibited Calculator” list that students must follow to avoid disqualification. The can you use a graphing calculator on the act question depends entirely on the specific model and its internal software capabilities.
The policy exists to ensure that the math section tests a student’s problem-solving ability rather than their ability to program a device to solve equations for them. High schoolers should use this checker to verify their device months before the test date. Knowing whether can you use a graphing calculator on the act helps in selecting the right tool for practice sessions, ensuring you are comfortable with the exact device you will use on exam day.
Common misconceptions include the idea that all TI-Nspire models are banned or that any calculator with a screen is allowed. In reality, the can you use a graphing calculator on the act policy is nuanced, focusing heavily on Computer Algebra Systems (CAS) and communication features.
Formula and Logic for ACT Calculator Eligibility
The “formula” for determining if can you use a graphing calculator on the act is a logical exclusion process. If any one of the “Banned Features” is present, the result is “Prohibited.”
The mathematical logic can be expressed as:
Status = (Has_CAS == False) AND (Has_QWERTY == False) AND (Is_Wireless == False) AND (Is_Laptop/PDA == False)
| Variable | Criteria Meaning | Permitted Range | Result if Violated |
|---|---|---|---|
| CAS_Status | Computer Algebra System capability | Non-CAS only | Automatic Prohibition |
| Key_Layout | Physical keyboard structure | Standard Numeric | Automatic Prohibition |
| Comms_Link | Wireless/Infrared connectivity | None or Disabled | Automatic Prohibition |
| Device_Type | Form factor of the tool | Handheld Calculator | Automatic Prohibition |
Practical Examples: Can You Use a Graphing Calculator on the ACT?
Example 1: The TI-84 Plus CE
Student A brings a TI-84 Plus CE. Since this model does not have a CAS, does not have a QWERTY keyboard, and lacks wireless communication, the answer to can you use a graphing calculator on the act for this student is a definitive “YES.” This is actually the most recommended calculator for the test.
Example 2: The TI-Nspire CAS
Student B brings a TI-Nspire with “CAS” written on the top right. Despite it being a graphing calculator, the Computer Algebra System allows it to solve symbolic variables. Therefore, when asking can you use a graphing calculator on the act for this specific model, the answer is “NO.” The student would be asked to put it away or could have their scores canceled.
How to Use This ACT Calculator Checker
- Identify Your Model: Look at the front of your calculator for the brand and model number (e.g., Casio fx-9750GIII).
- Check for CAS: Look for the letters “CAS” on the device casing or in the software menu. If you see it, the answer to can you use a graphing calculator on the act is likely no.
- Inspect the Keyboard: Does it have a full “A-Z” keyboard in a QWERTY layout? If so, it is prohibited.
- Review Wireless Features: Ensure your calculator doesn’t have a port for a stylus or built-in Wi-Fi.
- Input Data: Select the corresponding options in our calculator above to get an instant verdict on can you use a graphing calculator on the act.
Key Factors That Affect ACT Calculator Results
When determining can you use a graphing calculator on the act, several technical factors play a role in the decision made by proctors:
- Computer Algebra System (CAS): This is the #1 reason for prohibition. CAS can factor expressions and solve for ‘x’ symbolically, which the ACT prohibits.
- Power Source: While most handhelds are fine, calculators that require an electrical outlet are banned.
- Screen Noise/Paper Tapes: Devices that make noise or print onto paper tapes (like old-school adding machines) are not allowed.
- External Communication: Infrared ports must be covered with opaque tape on some older models to comply with the can you use a graphing calculator on the act guidelines.
- Storage of Information: You cannot have programs or notes stored on the calculator that could provide an unfair advantage.
- Screen Size: Handheld devices are required. Laptops, tablets, and phones are strictly prohibited, regardless of what apps they run.
Frequently Asked Questions (FAQ)
Can you use a graphing calculator on the act if it’s a TI-84?
Yes, all TI-84 models are currently permitted on the ACT math section.
What happens if I bring a prohibited calculator?
If you bring a prohibited device, the proctor will ask you to remove it. If you use it during the test, your scores will likely be canceled.
Is the TI-Nspire CX II allowed?
The TI-Nspire CX II (non-CAS version) is allowed. The CX II CAS version is NOT allowed.
Can I use a calculator with a stylus?
No, any calculator with a stylus or pen-input is prohibited on the ACT.
Do I need a graphing calculator for the ACT?
While not strictly required, having one is highly beneficial for time management on the 60 math questions.
Can I use two calculators?
Yes, you may bring a backup, but only one can be on your desk at a time.
Is the Casio Prizm allowed?
Yes, the Casio Prizm (fx-CG10, fx-CG50) is generally allowed as it does not have CAS.
Are there any restrictions on “programs” on the TI-84?
You can have programs, but they must not contain large amounts of text or prohibited cheat sheets.
Related Tools and Internal Resources
- ACT Prep Guide – A comprehensive guide to mastering every section.
- SAT vs ACT Calculators – Compare calculator rules between the two major tests.
- Math Section Strategies – How to maximize your score with a graphing calculator.
- Best Calculators for College – Top models that will last from high school through university.
- Testing Day Checklist – Everything you need to bring besides your calculator.
- Improving ACT Math Score – Tips and drills for the 60-question math marathon.