SAT Calculator Eligibility Checker
Instantly determine if your calculator model is a calculator allowed on the SAT based on the latest 2025-2026 College Board policies.
Check Your Calculator
Allowed Calculator Types Overview
A visual breakdown of the types of calculators generally allowed on the SAT.
Common Calculator Models Status
| Model Series | Status | Notes |
|---|---|---|
| TI-84 Plus (all versions) | Allowed | Most popular and recommended graphing calculator. |
| TI-Nspire CX (Non-CAS) | Allowed | The non-CAS version is explicitly permitted. |
| All Scientific Calculators (e.g., TI-30X, Casio fx-115) | Allowed | All scientific calculators are allowed. |
| TI-89, TI-92 Series | Prohibited | These models have a prohibited Computer Algebra System (CAS). |
| TI-Nspire CX CAS | Prohibited | Any model with “CAS” in the name is not allowed. |
| HP Prime / HP 50G | Prohibited | These models contain CAS functionality. |
| Calculators with QWERTY keyboards | Prohibited | No devices with typewriter-like keyboards are permitted. |
Quick reference for some of the most frequently checked calculator models.
What is the “Calculator Allowed on SAT” Policy?
The “calculator allowed on SAT” policy refers to the set of rules and guidelines established by the College Board that dictates which calculators students can and cannot use during the Math section of the SAT exam. While the digital SAT includes a built-in Desmos graphing calculator, students are also permitted to bring their own device. The policy is designed to ensure fairness and prevent any student from having an unfair advantage due to superior calculator technology. Understanding whether you have a calculator allowed on the SAT is a critical part of test preparation. This policy applies to all forms of calculators, including four-function, scientific, and graphing calculators.
This policy is primarily for students taking the SAT for college admissions. It ensures a level playing field. A common misconception is that the most expensive calculator is the best, but in reality, familiarity with a permitted device is far more important. Any standard scientific or non-CAS graphing calculator is typically sufficient. For more details, students should always consult the official SAT test day checklist.
Official SAT Calculator Policy Rules
Instead of a mathematical formula, the “calculator allowed on SAT” policy is a list of feature-based rules. The core principle is that calculators are tools for computation, not for solving problems symbolically or accessing external information. An update in 2025 explicitly banned all calculators with Computer Algebra Systems (CAS). Here’s a breakdown of the key rules:
| Feature or Characteristic | Status | Explanation |
|---|---|---|
| Computer Algebra System (CAS) | Prohibited | Cannot symbolically solve algebraic equations (e.g., TI-89, HP Prime). |
| Graphing Capability (Non-CAS) | Allowed | Graphing functions is a key feature of many permitted calculators. |
| Scientific & Four-Function | Allowed | All basic and scientific calculators are permitted. |
| QWERTY (Typewriter) Keyboard | Prohibited | Keyboards like those on a computer are not allowed. |
| Wireless, Bluetooth, or Internet Access | Prohibited | No communication capabilities are permitted. |
| Use of Power Cord | Prohibited | Calculators must be battery-operated. |
| Stylus or Pen-Input | Prohibited | Devices requiring a stylus are not allowed (e.g., Casio ClassPad). |
| Makes Noise or Prints | Prohibited | Calculators cannot have paper tape or make sounds. |
Practical Examples
Example 1: Student with a TI-Nspire CX II
Aisha has a TI-Nspire CX II. She enters “TI-Nspire CX II” into the calculator allowed on SAT checker. The tool confirms this model is Allowed because it does not have “CAS” in its name. The output notes it as a “Graphing Calculator” and reminds her that while her model is fine, the “TI-Nspire CX II CAS” version is prohibited. This gives her confidence to bring her calculator to the test.
Example 2: Student with an old HP 48G
Ben finds an old calculator, an HP 48G, in his parent’s desk. He’s unsure if it’s a calculator allowed on the SAT. He uses the tool and enters “HP 48G”. The result comes back as Prohibited. The notes explain that models in the HP 48 series contain CAS-like features and are on the College Board’s banned list. This saves Ben from being turned away at the test center and prompts him to find a compliant calculator, perhaps by reviewing a guide to SAT math strategies.
How to Use This Calculator Allowed on SAT Checker
Using this tool is straightforward. Follow these simple steps to determine your calculator’s eligibility for the SAT.
- Find Your Model Number: Look at the front of your calculator. The model number is usually printed prominently at the top (e.g., “TI-84 Plus CE”, “Casio fx-9750GII”).
- Enter the Model: Type the full model name into the input field above. The tool works better with more specific information.
- Review the Results: The tool will instantly provide one of three statuses: Allowed, Not Allowed, or Info. The accompanying details will explain why, citing specific features or rules. Proper use of this checker is an important part of your SAT preparation timeline.
- Check the Chart and Table: For a broader understanding, review the chart of allowed calculator types and the table of common models to see where your device fits in the overall policy. Making sure you have a calculator allowed on the SAT is a simple but vital step.
Key Factors That Affect Calculator Eligibility
Several key features determine whether a calculator is allowed on the SAT. Understanding these factors will help you choose the right device and avoid issues on test day. Checking for a calculator allowed on the SAT is easier when you know what to look for.
- Computer Algebra System (CAS): This is the most significant disqualifying feature. A CAS can manipulate algebraic expressions and solve equations symbolically, which the College Board deems an unfair advantage.
- QWERTY Keyboard: Any calculator with a computer-style keyboard is strictly forbidden to prevent the storage of notes.
- Connectivity: Calculators with Wi-Fi, Bluetooth, or any form of wireless communication are banned to maintain test security.
- Power Source: The device must be battery-powered. Calculators that need to be plugged into an outlet are not permitted in the testing room.
- Physical Size and Display: Unusually large calculators or those with raised displays that could be visible to other test-takers may lead to you being moved to a different seat by the proctor.
- Prohibited Peripherals: Devices that use a stylus, print to paper tape, or make noise are not allowed. It is crucial to be aware of these details. A deep dive into advanced SAT tips often covers equipment rules.
Frequently Asked Questions (FAQ)
Yes, all versions of the Texas Instruments TI-84 Plus, including the Plus, C Silver Edition, and CE, are explicitly allowed on the SAT. It is one of the most common and recommended calculators for the test.
If a proctor identifies your calculator as a prohibited model, you will not be allowed to use it. You will have to take the Math section without a calculator, which can be a significant disadvantage.
No, you don’t *need* one. The digital SAT has a built-in Desmos graphing calculator. Also, no question requires a graphing calculator to be solved. However, many students find it faster and more comfortable to use a physical one they are familiar with. A good scientific calculator is often sufficient. Knowing how to improve your SAT score involves choosing the right tools for you.
No. Cell phones, tablets, smartwatches, and any other mobile devices are strictly prohibited from being used as calculators during the exam.
A CAS is a sophisticated program that can perform symbolic math, like factoring polynomials or solving for variables without numbers. The College Board banned them starting in 2025 to ensure the test assesses a student’s math skills, not their calculator’s power.
Yes, all scientific calculators are allowed. They do not contain any of the prohibited features like CAS or QWERTY keyboards.
Not necessarily. It’s more important to be highly proficient with a calculator you already own, as long as it’s an approved model. Using a familiar calculator allowed on the SAT is better than fumbling with a new, more powerful one on test day.
While the College Board doesn’t have a strict policy on clearing programs, they prohibit sharing information. Some proctors may ask you to clear your calculator’s memory. It’s safest to assume you should not rely on pre-loaded programs to solve problems. This is a key part of understanding the SAT vs. ACT differences, as the ACT has stricter rules on programs.