What Calculators Can You Use on the SAT?
Check your device compatibility and estimate your Math score efficiency.
Compatibility Status
12 Seconds
84%
+35 Points
Formula: Efficiency = (Model Weight × Proficiency) / Complexity Factor
Calculated Math Performance Breakdown
Comparison of potential points gained vs. current level.
What is the Policy for What Calculators Can You Use on the SAT?
Understanding what calculators can you use on the SAT is a critical step for any student preparing for the Digital SAT. The College Board maintains a strict policy to ensure fairness across all testing centers. Generally, all scientific calculators are permitted, and most graphing calculators are also allowed. However, devices with communication capabilities, QWERTY keyboards, or those requiring a power outlet are strictly forbidden.
Who should use this guide? High school students, tutors, and parents should familiarize themselves with these rules early. A common misconception is that a more expensive calculator automatically leads to a higher score. While a graphing calculator can save time on complex equations, your proficiency with the device is what truly matters.
Mathematical Logic and Score Efficiency Formula
Our tool uses a proprietary formula to estimate how what calculators can you use on the SAT influences your final results. The calculation considers the technical capability of the hardware and the user’s manual speed.
The Efficiency Formula:
Score Boost = (Hardware Index × Proficiency Level) / 10 + (Target Gap × 0.05)
| Variable | Meaning | Unit | Typical Range |
|---|---|---|---|
| Hardware Index | Device power (Graphing vs Scientific) | Scale 1-1.5 | 1.0 to 1.5 |
| Proficiency Level | User speed and familiarity | Points 1-10 | 1 to 10 |
| Target Gap | Distance from current to max score | Points | 0 to 600 |
Practical Examples (Real-World Use Cases)
Example 1: The High-Achiever
A student uses a TI-Nspire CX II (Hardware Index 1.5) and has a proficiency level of 9. Their current practice score is 700. Our calculator would show a “High Efficiency” rating, likely adding 20-30 points simply through better time management on the 35% of questions where graphing tools are most effective.
Example 2: The Novice User
A student brings a standard scientific calculator (Index 1.1) but has only used it twice before. Proficiency is rated at 3. Despite the calculator being allowed, the “Time Saved” would be negative or zero because searching for buttons during the test creates anxiety and delays.
How to Use This SAT Calculator Checker
- Identify your model: Look at the front of your device for a model number (e.g., TI-84 Plus CE).
- Select the Category: Choose the matching category in the dropdown to verify if the model falls under what calculators can you use on the SAT.
- Rate your skill: Be honest about your proficiency. If you don’t know how to graph intersections, your proficiency is likely below 5.
- Input your score: Use your most recent practice test result.
- Analyze the impact: Review the “Score Impact” and “Time Saved” to decide if you need more practice with your device.
Key Factors That Affect Your SAT Calculator Results
- Battery Life: Even if a calculator is approved, a dead battery on test day is a zero-point asset. Always charge your device or bring fresh batteries.
- Familiarity: Using a brand new, high-end calculator for the first time on test day is a recipe for disaster.
- Screen Resolution: Newer graphing calculators have color screens and higher resolution, making it easier to see multiple functions simultaneously.
- Internal Clock & Processing Speed: Older TI-83 models process complex graphs significantly slower than the newer TI-84 Plus CE models.
- Button Tactility: High-quality buttons prevent “double-press” or “missed-press” errors during the high-stress environment of the SAT.
- Software Version: Ensure your graphing calculator has the latest operating system to avoid glitches during the SAT math prep phase.
Frequently Asked Questions (FAQ)
1. Can I use a calculator on all parts of the SAT Math section?
With the new Digital SAT, calculators are now allowed for the entire Math section. However, there is also a built-in graphing calculator (Desmos) in the Bluebook app.
2. Is the TI-Nspire CAS allowed?
Yes, the College Board explicitly allows the TI-Nspire CAS and CAS II models, unlike the ACT which prohibits them.
3. Can I bring two calculators?
Yes, you can bring a backup. However, only one may be on your desk at a time.
4. Are stylus pens or touchscreens allowed?
No. Calculators with touchscreens or stylus support are generally prohibited to prevent unauthorized input or communication.
5. Do I need to clear my calculator memory?
While not always enforced, proctors have the right to ask you to clear your memory or reset the device before the test begins.
6. What happens if my calculator makes noise?
Any calculator that makes noise or has a printer is strictly prohibited. You must turn off all sound features.
7. Can I use a calculator with a QWERTY keyboard?
No. Devices with “laptop-style” or QWERTY keyboards, like the TI-92, are not on the list of what calculators can you use on the SAT.
8. Is the Desmos calculator available on the SAT?
Yes, for the Digital SAT, the Desmos graphing calculator is integrated directly into the testing software for all math questions.
Related Tools and Internal Resources
- Official College Board Calculator Policy – The definitive source for all approved models.
- Best Graphing Calculators for SAT – A review of the top 5 devices for 2024.
- Digital SAT Math Tips – How to maximize the built-in Desmos tool.
- Calculator Permitted Sections – Understanding the structure of the Digital SAT.
- SAT Testing Day Requirements – A checklist of everything you need to bring.
- Comprehensive SAT Math Prep – Strategies for every math topic on the exam.