SAT Policy & Tools
SAT Calculator Eligibility Checker
Find out if you can use your calculator on the SAT. Check your model against the official College Board rules for the Math Test – Calculator section.
Enter the model name to include in your results summary.
Understanding the SAT Calculator Policy
A common question for students preparing for the SAT is, “can we use a calculator on the SAT?” The answer is yes, but with important restrictions. The College Board, the organization that administers the SAT, has a detailed calculator policy to ensure fairness and prevent any unfair advantages. You are allowed to use an approved calculator on only one of the two SAT Math sections—the “Math Test – Calculator” section. For the digital SAT, a graphing calculator is built into the testing application, but you are still permitted to bring your own approved device.
Understanding whether your specific device is allowed is critical. Using a prohibited calculator can lead to your scores being canceled. This guide and the eligibility checker above are designed to help you determine if you can use your calculator on the SAT and prepare for test day.
SAT Calculator Rules: The “Formula” for Acceptance
The “formula” for determining if you can use a calculator on the SAT isn’t a mathematical one—it’s a set of rules and prohibitions. The policy is less about a list of approved models and more about a list of forbidden features. If your calculator has any of the prohibited features, it’s not allowed.
| Rule Type | Description | Is it Allowed? |
|---|---|---|
| Device Type | Most graphing, scientific, and four-function calculators. | Yes |
| Functionality | Computer Algebra System (CAS) – can manipulate symbolic equations. | No |
| Hardware | QWERTY-style keyboard. | No |
| Connectivity | Internet, Bluetooth, cellular, or any wireless capability. | No |
| Power/Output | Requires an electrical outlet, makes noise, or has a paper tape. | No |
| General Devices | Laptops, tablets, smartwatches, or phones. | No |
Practical Examples: Which Calculators Are Allowed?
Let’s look at two common scenarios to better understand the SAT calculator policy.
Example 1: A Standard Graphing Calculator
- Calculator: Texas Instruments TI-84 Plus
- Features: Graphing capabilities, no CAS, no QWERTY keyboard, battery-operated.
- Analysis: This model is one of the most popular for the SAT. It meets all the requirements because it lacks any prohibited features.
- Result: ✅ Allowed
Example 2: A Calculator with a Prohibited Feature
- Calculator: TI-Nspire CX II CAS
- Features: Includes a Computer Algebra System (CAS).
- Analysis: Although it is a powerful graphing calculator, the “CAS” in its name and functionality explicitly disqualifies it.
- Result: ❌ Not Allowed
How to Use This SAT Calculator Checker
Our tool simplifies the process of checking if you can use a calculator on the SAT. Follow these simple steps:
- Enter Your Calculator’s Model: Type the model name (e.g., Casio fx-9750GII) into the first field. This is for your own reference in the results.
- Check for Prohibited Features: Carefully review the list of checkboxes. If your calculator has any of these features (like a QWERTY keyboard or CAS), check the corresponding box.
- Review Your Result: Click the “Check Eligibility” button. The tool will instantly tell you if your calculator is likely allowed or prohibited based on your input, along with the reason.
- Copy Your Results: Use the “Copy Results” button to save a summary of your calculator’s eligibility status.
Key Factors That Affect Calculator Eligibility
Several key factors determine whether you can use a calculator on the SAT. Being aware of these will help you choose the right tool for test day.
- Computer Algebra System (CAS): This is a major disqualifier. CAS calculators can solve algebraic equations symbolically, which provides an unfair advantage.
- QWERTY Keyboard: Any calculator with a keyboard laid out like a computer’s is banned to prevent test-takers from easily typing notes.
- Wireless Communication: Calculators with Wi-Fi, Bluetooth, or cellular access are strictly forbidden to maintain test security.
- Power Source: Only battery-operated calculators are allowed. Devices that need to be plugged into an outlet are not permitted.
- Physical Form: The device must be a dedicated, handheld calculator. You cannot use a calculator app on a smartphone, tablet, or laptop.
- Sharing: You are not allowed to share your calculator with another student during the exam.
Frequently Asked Questions About the SAT Calculator Policy
What happens if I bring a prohibited calculator?
If you are caught using a prohibited calculator, the test proctor will likely confiscate it, and you may be dismissed from the test center. Your scores will be canceled. It is your responsibility to ensure your calculator is compliant before test day.
Is there an official list of approved calculators?
The College Board no longer maintains a specific list of approved models. Instead, they provide a list of prohibited features and some examples of banned calculators. The best approach is to ensure your calculator does not have any of the forbidden functionalities. For great resources, check out our guide on digital SAT changes.
Do I need a graphing calculator for the SAT?
No, you do not technically need a graphing calculator. A scientific calculator is sufficient for all problems. However, a graphing calculator can solve some problems more quickly and efficiently. Familiarity with your own calculator is more important than its type.
What is a Computer Algebra System (CAS)?
A CAS is a sophisticated software that can manipulate mathematical expressions in a symbolic way, similar to how a person would solve an algebra problem on paper. For example, it can factor expressions like x²-4 into (x-2)(x+2). Non-CAS calculators can only return numerical answers.
Can I use a calculator on the Reading and Writing section?
No. Calculators are only permitted during the Math Test – Calculator section. You must put your calculator away during all other sections of the SAT.
What if my calculator has an alphabetical keyboard, not QWERTY?
This is usually acceptable. For instance, some TI calculators have keyboards with keys in alphabetical order (A, B, C, D…) which are allowed. The rule specifically prohibits “computer-style (QWERTY)” keyboards.
Can I bring a backup calculator?
Yes, you can bring a backup calculator. However, during the test, it must be kept under your seat, not on your desk. You must get permission from the proctor if you need to swap it.
Are four-function calculators allowed?
Yes, but they are not recommended. While allowed, a four-function calculator is very limited and will not be helpful for trigonometry, graphing, or other advanced math problems on the SAT.