SAT Calculator Policy Checker

An interactive tool to determine if your calculator is permitted for use on the SAT exam. Find out what calculator can you use on sat quickly and easily.

Is Your Calculator Allowed?

Check any features your calculator has from the list below. The results will update instantly.

Check features to see status…

Your calculator’s eligibility status will appear here.

Reasoning:

• All clear so far.

What is the SAT Calculator Policy?

The SAT Calculator Policy is a set of rules established by the College Board to ensure fairness and test integrity during the math section of the SAT. The policy defines exactly what calculator can you use on sat, specifying which types and models are permitted and which are strictly forbidden. The goal is to prevent students from gaining an unfair advantage through devices with advanced capabilities like symbolic algebra (CAS), internet access, or communication features. While a calculator is only permitted on the Math with Calculator section, understanding these rules is crucial for every test-taker to avoid having their device confiscated or scores canceled. The policy balances allowing a useful tool for complex arithmetic with testing a student’s actual mathematical reasoning skills.

SAT Policy Logic and Explanation

The core logic of the policy isn’t a mathematical formula, but a set of logical conditions. Your calculator is judged based on its features. Essentially, if your calculator possesses any feature on the prohibited list, it is not allowed.

The rule can be expressed as:
IF (has CAS) OR (has QWERTY Keyboard) OR (has Wireless) OR (is a general-purpose device) OR (has other banned features)… THEN the result is “Not Allowed”.

Policy Decision Variables

Variable (Feature)	Meaning	Status	Typical Example
Computer Algebra System (CAS)	Ability to manipulate symbolic expressions (factor, solve for variables).	Prohibited	TI-89, TI-Nspire CAS
QWERTY Keyboard	A typewriter-style keyboard for text entry.	Prohibited	Older models with text input
Wireless Capability	Includes Wi-Fi, Bluetooth, or any cellular connection.	Prohibited	Calculators on phones/smartwatches
Battery-Powered	Must operate on its own power without a cord.	Required	Most graphing/scientific calculators
Handheld Device	Must be a dedicated calculator, not a phone, tablet, or laptop.	Required	TI-84 Plus, Casio fx-9750GII

Practical Examples

Example 1: A Permitted Calculator (TI-84 Plus)

A student has a Texas Instruments TI-84 Plus. They use the checker:

• Inputs: The student checks none of the boxes, as the TI-84 Plus does not have CAS, a QWERTY keyboard, wireless, or any other prohibited features.
• Results: The checker shows a green “LIKELY ALLOWED” status. The reasoning states that the calculator appears to comply with all major rules. The TI-84 Plus is a standard graphing calculator and is one of the most common and widely accepted models for the SAT.

Example 2: A Prohibited Calculator (TI-89 Titanium)

Another student has a Texas Instruments TI-89 Titanium. They use the checker:

• Inputs: The student checks the “Computer Algebra System (CAS)” box. The TI-89 is famous for its powerful CAS capabilities.
• Results: The checker immediately shows a red “NOT ALLOWED” status. The reasoning clearly states that calculators with CAS are prohibited. Even though the calculator meets other criteria (it’s handheld, battery-operated), this single feature disqualifies it. Find out more about SAT prep courses to prepare effectively.

How to Use This SAT Calculator Checker

Using this tool is straightforward and designed to give you a quick, reliable answer on whether your calculator is compliant.

1. Examine Your Calculator: Look at your physical calculator. Check its model number (usually on the front or back) and its keys.
2. Check for Prohibited Features: Go through the list in the checker above. For each question, determine if your calculator has that feature. For example, does it have “CAS” printed on it? Does it have keys arranged like a computer keyboard (QWERTY)?
3. Select the Checkboxes: Click the checkbox next to any and every prohibited feature your calculator possesses.
4. Interpret the Results: The result will update instantly. If the result is “NOT ALLOWED”, the “Reasoning” section will tell you exactly which rule(s) your calculator violates.
5. Reset if Needed: If you want to check another calculator or start over, simply click the “Reset Checker” button.

Understanding the digital SAT format is also key to your success.

Key Factors That Affect Calculator Eligibility

• Computer Algebra System (CAS): This is the most significant factor. As of recent policy updates (effective mid-2025), NO calculators with CAS are permitted. These systems can solve equations symbolically, which the College Board deems an unfair advantage.
• Communication Technology: Any form of wireless, Bluetooth, or internet access is an automatic disqualification. The testing environment must be secure.
• Keyboard Type: A QWERTY keyboard turns a calculator into a small computer, allowing for text storage and other prohibited activities.
• Power Source: The device must be battery-operated. Calculators that need to be plugged in are a logistical and safety hazard in a testing room.
• Physical Form: The calculator must be a standalone, handheld device. Using an app on a smartphone, tablet, or smartwatch is strictly forbidden. Explore our math practice questions to hone your skills.
• External Peripherals: Features like a paper tape printer, a stylus for input, or anything that makes noise are banned to prevent distraction and cheating.

Frequently Asked Questions (FAQ)

1. Can I use my TI-84 Plus on the SAT?

Yes, the TI-84 Plus and its variants (like the CE) are some of the most popular and universally accepted graphing calculators for the SAT. They do not have a CAS.

2. What happened to the 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 models. If your calculator doesn’t have any banned features, it is generally considered acceptable. Always check the official SAT test dates and deadlines.

3. Is my TI-Nspire allowed?

It depends on the model. The TI-Nspire CX (non-CAS) is allowed, but the TI-Nspire CX CAS and TI-Nspire CX II CAS are NOT allowed because of their Computer Algebra System. Check the calculator’s body and screen for the “CAS” label.

4. Do I have to bring a calculator?

No, it’s not required. For the digital SAT, a powerful graphing calculator (Desmos) is built into the testing app. However, you are allowed to bring your own approved handheld calculator if you are more comfortable with it.

5. Can I share my calculator with a friend during the test?

No. Sharing calculators is strictly prohibited. Each student must have their own.

6. What about scientific calculators?

All standard scientific calculators are allowed. They are a great option if you don’t need graphing capabilities.

7. I have programs on my graphing calculator. Is that okay?

The College Board states that you must remove any programs that have algebra functionality (like equation solvers) and any stored documents. Test proctors may inspect your calculator.

8. What if my calculator’s batteries die during the test?

You are responsible for ensuring your calculator is in working order. Test centers will not provide batteries. It’s a good idea to install fresh batteries the day before the test. Learn more about effective SAT strategies.