SAT Calculator Policy & Permissibility Checker

An essential tool for understanding the official rules for calculators available to use in SAT tests. Check if your model is approved before test day.

Check Your Calculator’s Status

Policy Breakdown

• CAS Check: Pending…
• QWERTY Keyboard Check: Pending…
• Wireless/Internet Check: Pending…

Approved Calculators List

This table shows a list of popular approved calculators for the SAT. Use the search box above to check for your specific model.

Manufacturer	Model Series/Examples	Type
Texas Instruments	TI-83 Plus, TI-84 Plus family	Graphing
Texas Instruments	TI-30X, TI-34, TI-36X Pro	Scientific
Texas Instruments	TI-Nspire CX (Non-CAS)	Graphing
Casio	fx-9750GII, fx-9860GII	Graphing
Casio	fx-115ES Plus, fx-991EX	Scientific
HP	HP 39gII, HP 50g (Non-CAS modes)	Graphing

This table provides examples and is not exhaustive. Always check your specific model.

What Are the Rules for Calculators Available to Use in SAT?

The “calculators available to use in SAT” refers to the official policy set by the College Board regarding which electronic calculators students are permitted to use during the Math section of the SAT exam. This policy is crucial because using a non-approved device can lead to dismissal from the test and cancellation of scores. The digital SAT includes an embedded Desmos graphing calculator, but students are also allowed to bring their own approved handheld device.

The core principle of the policy is to ensure fairness and prevent any student from having an unfair advantage. Therefore, the rules focus on prohibiting devices with features that can solve complex algebraic equations symbolically, store large amounts of text, or communicate with other devices. Knowing whether your calculator is permitted is a key part of preparing for test day.

SAT Calculator Policy Explained

The SAT calculator policy is not a simple “yes” or “no” for all models. It’s a set of rules and guidelines that categorize calculators into “Allowed,” “Not Allowed,” and those that are allowed only if certain features are disabled. The primary restriction is on calculators with a Computer Algebra System (CAS).

A CAS can manipulate algebraic expressions symbolically, which is a feature the College Board considers an unfair advantage. Beyond the CAS rule, other prohibited features include QWERTY keyboards, wireless communication (like Bluetooth or Wi-Fi), and any device that requires an electrical outlet.

Key Policy Factors

Factor	Meaning	Status	Typical Range/Example
Computer Algebra System (CAS)	Ability to symbolically solve equations (e.g., factor x^2-4 into (x-2)(x+2)).	Prohibited	TI-89, TI-Nspire CAS, HP Prime
Graphing Capability	Ability to plot equations on a coordinate plane.	Allowed	TI-84 Plus, Casio fx-9750GII
Scientific Functions	Trigonometric, logarithmic, and exponential functions.	Allowed	TI-36X Pro, Casio fx-115ES
QWERTY Keyboard	A computer-style keyboard.	Prohibited	Not applicable to most calculators
Wireless/Internet	Bluetooth, Wi-Fi, or any internet connectivity.	Prohibited	Smartphones, tablets

Practical Examples of Calculator Status

Understanding the rules is easier with concrete examples.

Example 1: The TI-84 Plus CE

• Inputs: Model is “TI-84 Plus CE”.
• Analysis: This is a graphing calculator. It does not have a built-in Computer Algebra System (CAS). It runs on batteries and lacks a QWERTY keyboard.
• Results: This calculator is ALLOWED on the SAT. It is one of the most common and recommended graphing calculators for the SAT.

Example 2: The TI-89 Titanium

• Inputs: Model is “TI-89 Titanium”.
• Analysis: This is a powerful graphing calculator that includes a CAS. The “89” in the model name is a red flag for SAT purposes.
• Results: This calculator is PROHIBITED on the SAT due to its CAS functionality. You would need a different, non-CAS model. For more info, see our guide on the best calculator for SAT prep.

How to Use This SAT Calculator Checker

Using this tool is straightforward and can save you from a major headache on test day.

1. Enter Your Model: Type the full model name of your calculator into the input field at the top of the page. Be as specific as possible.
2. Check the Status: Click the “Check Status” button.
3. Interpret the Results: The tool will display one of three results:
   • Allowed: Your calculator is permitted for use.
   • Prohibited: Your calculator has a feature that is explicitly banned, such as CAS or a QWERTY keyboard. You cannot use it on the test.
   • Review Needed / Unlisted: The model is not in our database or has features that may need to be disabled. You should double-check the official SAT calculator policy.

Key Factors That Affect SAT Calculator Approval

Several factors determine which calculators are available to use in the SAT. Understanding them helps you choose the right tool.

• CAS Functionality: As mentioned, this is the number one reason for a calculator to be banned.
• QWERTY Keypad: Devices with computer-style keyboards are not allowed.
• Power Source: Calculators must be battery-operated. Models that need to be plugged into an outlet are prohibited.
• Connectivity: Any device with internet, Bluetooth, or other wireless communication capabilities is banned.
• Noise: Calculators that make noise must be muted.
• Physical Size: Very large calculators with raised displays may cause seating issues at the testing center.

Frequently Asked Questions (FAQ)

1. Can I use a graphing calculator on the SAT?

Yes, most graphing calculators are allowed, as long as they do not have a Computer Algebra System (CAS). Models like the TI-84 Plus and TI-Nspire CX (non-CAS) are perfectly fine.

2. What is a Computer Algebra System (CAS) and why is it banned?

A CAS is a system that can manipulate mathematical expressions in a symbolic way. For example, it can factor polynomials or solve for variables without needing numbers. It is banned to ensure students show their algebraic reasoning skills.

3. Do I have to use a calculator on the SAT?

No, a calculator is not required. Every question on the SAT Math section can be solved without a calculator. Additionally, the digital SAT provides a built-in Desmos calculator for all students.

4. Is the TI-Nspire allowed on the SAT?

It depends. The TI-Nspire CX is allowed, but the TI-Nspire CX CAS is not. You must ensure your model does not have “CAS” in its name.

5. What if my calculator is not on the approved list?

If you cannot find your model on an official list, you should assume it’s not allowed and bring a different one. It’s better to be safe than risk being unable to use your calculator. Check our resources on approved SAT calculators for guidance.

6. Can I use my phone as a calculator?

No, phones, smartwatches, laptops, or any other general-purpose computing devices are strictly prohibited.

7. Do I need to clear my calculator’s memory?

Yes, you should clear any stored programs or documents from your calculator before the test. Storing notes or formulas is not permitted.

8. What’s better: the built-in Desmos calculator or my own?

This is a personal preference. It’s recommended to be familiar with both. The Desmos calculator is powerful, but you might be faster and more comfortable with the handheld calculator you’ve used for practice.