Can You Use A Calculator On The Sat

The Definitive 2026 Policy Checker and Guide

SAT Calculator Allowance Checker

Select the SAT section and your calculator type to instantly check if it’s permitted according to the official College Board policy.

Deep Dive into the SAT Calculator Policy

Understanding the official SAT calculator policy is crucial for test day success. A misunderstanding can lead to unnecessary stress or even having your scores canceled. This guide provides everything you need to know about whether you can use a calculator on the SAT, which models are allowed, and how to best prepare.

What is the SAT Calculator Policy?

The SAT Calculator Policy is a set of rules established by the College Board that dictates when and what type of calculator a student can use during the SAT exam. The primary purpose of this policy is to ensure fairness and prevent any student from having an unfair advantage. You can use a calculator on the SAT, but only on one of the two math sections. For the digital SAT, there’s also an embedded Desmos graphing calculator available for all math questions.

This policy is for all students taking the SAT. Common misconceptions are that any graphing calculator is fine, or that you don’t need to check your model beforehand. However, specific features like a Computer Algebra System (CAS) or a QWERTY keyboard are strictly prohibited.

Policy Rules and Logic Explanation

The “formula” for determining if you can use a calculator on the SAT is a logical check based on two main variables: the test section and the calculator’s features. There is no mathematical calculation, but rather a set of conditions that must be met.

The logic can be summarized as: IF you are in the ‘Math – Calculator’ section AND your calculator is on the approved list (and not on the prohibited list), THEN you can use your calculator. For any other section, or with a prohibited device, the answer is no.

Table of Key Policy “Variables”

Variable	Meaning	Permitted Values/States	Typical Range
SAT Section	The specific portion of the exam being taken.	Math (Calculator), Math (No-Calculator), Reading, Writing	N/A
Calculator Type	The category your calculator falls into based on its features.	Graphing, Scientific, Four-Function	Models from TI, Casio, HP, etc.
Prohibited Features	Specific functionalities that disqualify a calculator.	CAS, QWERTY keyboard, Wi-Fi, power cords, stylus input.	E.g., TI-Nspire CAS, phones, laptops.

This table breaks down the factors that determine if you can use a calculator on the SAT.

This chart visualizes which sections of the SAT permit calculator use.

Practical Examples

Example 1: Student with a TI-84 Plus

• Scenario: Maria has a standard TI-84 Plus graphing calculator and is starting the Math (Calculator) section.
• Inputs: Section = Math (Calculator), Calculator Type = Graphing.
• Output: Allowed. The TI-84 Plus is a permitted graphing calculator, and she is in the correct section. She can use her device.
• Interpretation: Maria followed the SAT calculator policy correctly and can use her familiar device to solve problems efficiently.

Example 2: Student with a Smartphone

• Scenario: David forgot his calculator and hopes to use the calculator app on his smartphone during the Math (Calculator) section.
• Inputs: Section = Math (Calculator), Calculator Type = Phone.
• Output: Prohibited. Phones, tablets, and laptops are never allowed for use as calculators.
• Interpretation: David must put his phone away and use the embedded digital calculator provided in the Bluebook testing app. Using his phone would result in his dismissal from the test.

How to Use This SAT Calculator Policy Checker

Our interactive tool makes it simple to determine if you can use a calculator on the SAT. Follow these steps:

1. Select the SAT Section: Choose the part of the test you are on from the first dropdown menu. Remember, a calculator is only potentially usable during the Math (Calculator) section.
2. Select Your Calculator Type: In the second dropdown, choose the category that best describes your device. Be honest—if it has CAS or a computer-style keyboard, select that option.
3. Read the Results: The tool will instantly provide a primary result (Allowed, Prohibited, or Conditional), along with specific details from the College Board’s policy and a clear recommendation.
4. Reset or Copy: Use the “Reset” button to start over or the “Copy Results” button to save the information for your records.

Making a decision based on these results is straightforward. If the result is ‘Prohibited’, do not bring or use that device. Your only option will be the built-in calculator. If ‘Allowed’, ensure your calculator is in good working order with fresh batteries.

Key Factors That Affect Calculator Allowance

Several factors determine whether you can use a calculator on the SAT. Understanding these is key to avoiding issues on test day.

1. Computer Algebra System (CAS) Functionality

As of recent policy updates (effective August 2025), calculators with CAS are banned. CAS can solve algebraic equations symbolically, which is now considered an unfair advantage. Check if your calculator model name has “CAS” in it.

2. QWERTY Keypads

Any device with a QWERTY (computer-style) keyboard is strictly forbidden. This rule prevents the use of devices that could be used for typing notes or communicating.

3. Access to Internet or Other Devices

Calculators that can connect to the internet, or communicate with other devices (like via infrared ports), are not allowed. This includes smartwatches, phones, and tablets.

4. Power Source

Only battery-operated, handheld calculators are permitted. Devices that need to be plugged into an electrical outlet are prohibited.

5. Stylus and Pen-Input

Calculators that use a stylus or have touch-screen input (like some Casio ClassPad models) are not allowed.

6. Test Section

This is the most critical factor. You are ONLY allowed to use an approved calculator during the second math section, officially known as the Math Test – Calculator section. For all other sections (Reading, Writing, and Math No-Calculator), the calculator must be put away.

Frequently Asked Questions (FAQ)

1. Can you use a calculator on the entire SAT?

No. Calculator use is only permitted on the Math Test – Calculator portion of the exam. It is forbidden on the Reading, Writing, and Math Test – No-Calculator sections.

2. What if my calculator has programs stored on it?

The College Board requires that you remove any programs that have algebra functionality (e.g., equation solvers) or stored documents from your calculator.

3. What happens if my calculator runs out of batteries?

You are responsible for ensuring your calculator works. The test center will not provide batteries or a replacement calculator. It’s wise to install fresh batteries before the test. If it fails, you must use the embedded Desmos calculator in the testing software.

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

It depends on the model. The standard TI-Nspire CX models are allowed. However, the TI-Nspire CX CAS models are explicitly banned due to their Computer Algebra System.

5. Do I have to bring a calculator?

No, it is not mandatory. The digital SAT includes a powerful built-in graphing calculator (Desmos) that you can use for any math question. However, if you are more comfortable with your own handheld calculator, it is highly recommended to bring an approved one.

6. Can I share my calculator with another student?

No. Sharing calculators is strictly prohibited and can lead to both students being dismissed from the test.

7. Are four-function calculators a good choice for the SAT?

While permitted, they are not recommended. They lack essential functions for higher-level math like trigonometry, exponents, and logarithms, which can put you at a disadvantage.

8. What is the best way to know if my specific model is allowed?

The most reliable method is to check the official College Board website for their most up-to-date list of approved and prohibited calculators. Our tool is based on this information, but the official site is the final authority.

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