SAT Calculator Policy Checker
Determine if your calculator is allowed for the digital SAT test. Our tool helps you check the official College Board rules to ensure you are prepared for test day.
Check Your Calculator Model
Governing Body
College Board
Policy Feature
N/A
Test Type
Digital SAT
SAT Calculator Policy Overview
| Category | Examples | Status |
|---|---|---|
| Most Graphing Calculators | TI-84 Plus, TI-Nspire CX (non-CAS), Casio fx-9750GII | Allowed |
| All Scientific Calculators | TI-30X IIS, Casio fx-115ES PLUS | Allowed |
| All Four-Function Calculators | Basic desktop calculators (not recommended) | Allowed |
| Calculators with CAS | TI-89, TI-Nspire CX CAS, HP Prime | Prohibited |
| Calculators with QWERTY Keyboard | TI-92 Plus | Prohibited |
| Communication Devices | Smartphones, smartwatches, tablets | Prohibited |
This chart shows the general allowance status for major calculator categories. A specific model being checked will highlight its category.
Understanding the SAT Calculator Policy
What is the official policy for a calculator allowed on the SAT?
The policy for a calculator allowed on the SAT is determined by the College Board, the organization that administers the test. For the digital SAT, a calculator is permitted on the entire math section. In fact, a graphing calculator (Desmos) is built directly into the testing application. However, students are still permitted to bring their own handheld calculator, provided it meets specific criteria. The core rule is that the device must not provide an unfair advantage. Understanding whether your specific device is a calculator allowed on the SAT is critical to avoid issues on test day. The policy is designed to ensure fairness and prevent access to prohibited features like wireless communication or computer algebra systems (CAS).
SAT Calculator Rules Explained
The rules for a calculator allowed on the SAT are based on features, not just model numbers. The College Board specifies what is and isn’t allowed. Here is a breakdown of the key rules that determine if your device is a calculator allowed on the SAT.
| Feature/Rule | Meaning | Status | Typical Range/Example |
|---|---|---|---|
| Computer Algebra System (CAS) | The ability to manipulate symbolic equations (e.g., factor, solve for x). | Prohibited | TI-89, TI-Nspire CX II CAS |
| QWERTY Keyboard | A keyboard laid out like a computer keyboard. | Prohibited | TI-92 |
| Wireless/Internet | Any form of wireless communication (Bluetooth, Wi-Fi, cellular). | Prohibited | Smartphones, smartwatches |
| Stylus/Pen Input | The use of a stylus for input. Some models are allowed, but the stylus itself is not. | Restricted | Casio FX-CG-500 (device okay, stylus use is not) |
| Power Cords | Must be battery-operated only. Cannot require an external power source during the test. | Prohibited | Calculators that need to be plugged in. |
| Standard Graphing | Can plot graphs, find roots, and calculate numeric values. | Allowed | TI-84 Plus CE, TI-Nspire CX |
Practical Examples (Real-World Use Cases)
Example 1: Checking a TI-84 Plus
A student wants to know if their TI-84 Plus is a calculator allowed on the SAT. They enter “TI-84 Plus” into the checker.
- Input: TI-84 Plus
- Analysis: This model is a standard graphing calculator. It does not have a Computer Algebra System (CAS) or a QWERTY keyboard.
- Output: The calculator would be flagged as **Allowed**. It is one of the most common and recommended calculators for the test.
Example 2: Checking a TI-Nspire CX II CAS
Another student has a powerful TI-Nspire CX II CAS and wants to confirm it’s a calculator allowed on the SAT. They enter the model name.
- Input: TI-Nspire CX II CAS
- Analysis: The key part of this model name is “CAS”. This indicates it has a Computer Algebra System, which is explicitly prohibited by the College Board.
- Output: The calculator would be flagged as **Prohibited**. The student would be advised to acquire a non-CAS model, such as the TI-Nspire CX II (without CAS), for the exam.
How to Use This SAT Calculator Checker
- Enter Your Model: Type the full model name of your calculator into the input field above. Try to be as accurate as possible.
- View the Result: The tool will instantly provide a status: Allowed, Prohibited, or Check Features.
- Understand the Details: The primary result gives you a clear answer, while the intermediate values provide context about the policy.
- Consult the Tables: Use the tables and lists in this article as a secondary reference. Finding a calculator allowed on the SAT is easy if you follow the guidelines. For more info on test day rules, see our SAT test day checklist.
Key Factors That Affect SAT Calculator Approval
- CAS (Computer Algebra System): This is the most common reason a powerful graphing calculator is banned. A calculator allowed on the SAT cannot perform symbolic algebra.
- QWERTY Keyboard: Any device with a typewriter-style keyboard is prohibited.
- Wireless Communication: No device that can connect to the internet, Bluetooth, or any other network is allowed. This is a strict rule.
- Power Source: The calculator must be battery-operated. Models that require an electrical outlet are not permitted.
- Noise and Printing: Calculators that make noise or print to a paper tape are banned to avoid distracting other test-takers.
- Stylus or Pen-Based Input: Using a stylus is forbidden, even if the calculator model itself is on the approved list. Knowing the SAT calculator rules in detail is crucial.
Frequently Asked Questions (FAQ)
Is the TI-84 Plus a calculator allowed on the SAT?
Yes, absolutely. The TI-84 Plus and its variants (like the CE) are standard graphing calculators and are fully approved for the SAT. It is one of the most popular choices among students. Getting familiar with it is a good strategy for anyone taking the test.
Can I use a scientific calculator on the SAT?
Yes, all scientific calculators are permitted. They are a great option if you are comfortable with them. If you want to know if a specific model is a good calculator allowed on the SAT, the answer for any scientific calculator is yes.
What happens if I bring a prohibited calculator?
If a proctor identifies that you have a prohibited device, you may be dismissed from the test, and your scores could be canceled. It is your responsibility to ensure you have a calculator allowed on the SAT before you arrive. Check out the College Board calculator policy for official details.
Do I need to clear my calculator’s memory?
Yes, the College Board states you must remove any stored programs that have algebra functionality and any stored documents from your calculator. It’s good practice to reset your device before the test.
Are four-function calculators allowed?
Yes, they are allowed but are not recommended. The math section contains problems where a graphing or scientific calculator is significantly more helpful. Bringing only a four-function device may put you at a disadvantage.
Is there an official list of every single calculator allowed on the SAT?
The College Board provides a list of approved models and, more importantly, a list of prohibited features. Since so many models exist, it’s easier to check for banned features like CAS or a QWERTY keyboard. Our guide to approved SAT calculators provides more examples.
What if my calculator has a big display?
If your calculator has characters one inch or higher, or a raised display visible to others, the proctor may seat you in a specific location to prevent others from seeing your screen.
Can I use the built-in Desmos calculator and my handheld one?
Yes. You have access to the embedded Desmos calculator in the Bluebook testing app and can also use your own approved handheld device. You can switch between them as you see fit. Some students find Desmos better for graphing and their handheld device better for quick calculations.
Related Tools and Internal Resources
Continue your SAT preparation with our other specialized tools and guides.
- SAT Score Calculator: Project your SAT score based on practice test results.
- Guide to the Best SAT Calculators: A detailed review of top calculator models for the SAT.