SAT Calculator Policy Checker
Determine if your device is one of the calculators allowed on the SAT.
SAT Calculator Status Chart
What are the Rules for Calculators Allowed on the SAT?
The policy for calculators allowed on the SAT is designed to ensure fairness and prevent any student from having an unfair advantage. The College Board, the organization behind the SAT, has specific guidelines that dictate which devices are permitted and which are prohibited. In essence, most graphing and scientific calculators are acceptable, but there are critical restrictions against features like computer algebra systems (CAS), internet connectivity, or QWERTY keyboards. The digital SAT even includes a built-in Desmos-powered graphing calculator, but students are still permitted and encouraged to bring a familiar handheld device.
This policy applies to the Math section of the SAT only; calculators are not permitted during the Reading and Writing section. Understanding the nuances of the SAT calculator policy is crucial for test-day success and avoiding any issues with proctors. Failing to comply can result in your calculator being confiscated or, in worst-case scenarios, your scores being canceled.
Common Misconceptions
- “Any graphing calculator is fine.” This is false. Many advanced graphing calculators, especially those with a Computer Algebra System (CAS), are explicitly banned.
- “You must use the built-in digital calculator.” False. You can bring your own approved handheld calculator.
- “The test center provides calculators.” This is incorrect. Students are responsible for bringing their own approved and working calculator.
The SAT Calculator Rules Explained
Unlike a mathematical formula, the rules for calculators allowed on the SAT are a set of criteria. The core principle is that the device should be a tool for calculation, not a source of stored information or advanced symbolic manipulation. A quick way to tell if a calculator is prohibited is to check for a “CAS” label on the device or if it can solve algebraic equations symbolically.
Here’s a breakdown of the key rules:
| Rule Type | Explanation | Status |
|---|---|---|
| No Computer Algebra System (CAS) | Calculators that can symbolically solve equations (e.g., factor x²+2x+1) are banned. Models like the TI-89 or TI-Nspire CAS are prohibited. | PROHIBITED |
| No QWERTY Keyboards | Any device with a typewriter-style keyboard is not allowed. | PROHIBITED |
| No Internet/Wireless | Calculators must not be able to connect to the internet, Bluetooth, or any other network. | PROHIBITED |
| Battery Power Only | Devices cannot require an electrical outlet. They must be battery-operated. | REQUIRED |
| No Stylus/Pen Input | Calculators that use a stylus are generally not allowed, with a few specific exceptions where the stylus use is forbidden. | PROHIBITED |
| Graphing Calculators | Most non-CAS graphing calculators are permitted. This is the most recommended type for the SAT math section rules. | ALLOWED |
| Scientific & Four-Function | All scientific and four-function calculators are allowed, though a four-function is not recommended due to its limitations. | ALLOWED |
Practical Examples of Approved and Banned Calculators
Navigating the list of calculators allowed on the SAT can be confusing. Here are some real-world examples to clarify the policy.
Example 1: The Student with a TI-84 Plus
- Calculator Model: Texas Instruments TI-84 Plus
- Check: The user enters “TI-84 Plus” into the calculator.
- Result: ALLOWED. This is one of the most common and widely accepted graphing calculators for SAT. It’s a non-CAS model and meets all requirements.
- Interpretation: The student can confidently bring this calculator to the test center.
Example 2: The Student with a TI-89 Titanium
- Calculator Model: Texas Instruments TI-89 Titanium
- Check: The user enters “TI-89 Titanium” into the calculator.
- Result: NOT ALLOWED. The TI-89 series has a built-in Computer Algebra System (CAS).
- Interpretation: This calculator is explicitly banned by the College Board. The student must find an alternative from the list of acceptable SAT calculators to avoid issues on test day.
How to Use This SAT Calculator Checker
This tool simplifies the process of checking if your model is one of the calculators allowed on the SAT. Follow these simple steps:
- Enter Your Model: Type the model name of your calculator (e.g., “Casio fx-9750GII”) into the input field above.
- View Instant Results: As you type, the tool will search its database. The result box will appear, displaying one of three statuses: “ALLOWED”, “NOT ALLOWED”, or “CHECK MANUALLY”.
- Read the Details: The text below the primary result provides a brief explanation for the status, clarifying why your calculator is or isn’t on the list of SAT approved calculators.
- Reset or Copy: Use the “Reset” button to clear the form or “Copy Results” to save the information for your records.
Key Factors That Affect SAT Calculator Approval
Several features determine whether a calculator is approved. Understanding these factors is key to choosing the right tool and being prepared. The policy for calculators allowed on the SAT is strict about these points.
1. Computer Algebra System (CAS)
This is the most significant factor. A CAS can perform symbolic manipulation, like factoring `(x^2 – 1)` into `(x-1)(x+1)`. This is considered an unfair advantage, and all CAS calculators are banned.
2. QWERTY Keyboard
Calculators with a typewriter-style keyboard are prohibited as they could potentially be used to store notes.
3. Connectivity
Any device that can connect to the internet, use Bluetooth, or has infrared ports is banned to prevent cheating.
4. Power Source
Calculators must be battery-operated. Devices that need to be plugged into an outlet are not allowed in the test room.
5. Noise and Peripherals
Calculators that make noise or print to a paper tape are not permitted. Likewise, using a stylus is not allowed, even if the calculator model itself is on the approved list.
6. Device Type
The policy for calculators allowed on the SAT is clear: you cannot use a phone, tablet, smartwatch, or laptop as your calculator. It must be a dedicated, handheld calculator.
Frequently Asked Questions (FAQ)
1. Is the TI-84 Plus allowed on the SAT?
Yes, the entire TI-84 Plus family (including Plus, C Silver Edition, CE, and CE Python) are among the most popular calculators allowed on the SAT. They are non-CAS graphing calculators.
2. What happens if I bring a banned calculator?
A proctor will instruct you to put it away. You will have to take the math section without a calculator, as they do not provide replacements.
3. Can I use the calculator on my phone?
No. Phones, smartwatches, tablets, and laptops are strictly prohibited from being used as calculators.
4. Are all scientific calculators approved?
Yes, the College Board states that all scientific calculators are acceptable. They do not have the advanced features (like CAS) that would get them banned.
5. Do I need a graphing calculator for the SAT?
While not strictly required (you can use the built-in digital one or a scientific calculator), a graphing calculator is highly recommended. It can quickly graph functions and solve complex problems, saving valuable time. Using a familiar device is a key part of a good SAT prep course strategy.
6. Is the TI-Nspire allowed?
It depends. The standard TI-Nspire CX and CX II models are allowed. However, the TI-Nspire CAS, CX CAS, and CX II CAS models are NOT allowed because they have a Computer Algebra System. Always check for “CAS” in the name.
7. What is a Computer Algebra System (CAS) and why is it banned?
A CAS is a sophisticated program that can manipulate mathematical expressions symbolically. For instance, it can solve for variables, factor polynomials, and find derivatives in algebraic form. It’s banned from the list of calculators allowed on the SAT because it would solve many problems without requiring the student to demonstrate their own mathematical skills.
8. Do I have to clear my calculator’s memory before the test?
The College Board requires that you remove any stored documents or programs with algebra functionality. While proctors rarely inspect every calculator, it’s best practice to clear the memory to fully comply with the SAT calculator policy and avoid any potential issues.