AP Precalculus Calculator Policy Checker

An interactive tool to help you determine if your calculator is permitted for the AP Precalculus exam.

Is Your Calculator Allowed?

Answer the questions below based on your calculator’s features. The tool will check your answers against the official College Board policy for the AP Precalculus exam.

Feature Analysis

Understanding the AP Precalculus Calculator Policy

The question, “can you use a calculator in AP Precalculus,” is a critical one for every student enrolled in the course. The short answer is yes, a graphing calculator is not only allowed but required for certain parts of the exam. However, the College Board has strict rules about what types of calculators are permitted to ensure fairness and prevent any academic dishonesty. This guide and the calculator checker above will help you understand these rules completely.

The AP Precalculus exam is divided into sections, some of which permit calculator use and some that do not. Specifically, a graphing calculator is required for Part B of the multiple-choice section and Part A of the free-response section. For the digital exam, a built-in Desmos graphing calculator is provided through the Bluebook application.

AP Precalculus Calculator Rules Explained

The College Board’s policy is designed to prevent the use of devices that can communicate with the outside world or that contain stored information beyond the scope of typical calculator functions. Understanding these restrictions is key. While most graphing calculators (like the TI-84 Plus family) are allowed, certain features will automatically disqualify a device.

Summary of Prohibited Calculator Features

Feature	Status	Reasoning
QWERTY Keyboard	Prohibited	Resembles a computer, could be used for notes.
Wireless Communication	Prohibited	Prevents communication with other devices or the internet.
Requires External Power	Prohibited	Calculators must be battery-operated and portable.
Stylus or Pen-Input	Prohibited	Devices with this feature are considered computers.
Phone/Tablet/Laptop	Prohibited	These are general-purpose computing devices with disallowed features.

Practical Examples

Example 1: Permitted Calculator

A student has a Texas Instruments TI-84 Plus CE. Let’s check it with our policy calculator.

• Inputs: QWERTY (No), Needs Power (No), Wireless (No), Stylus (No), Phone (No).
• Result: This calculator is PERMITTED for the AP Precalculus exam.
• Reasoning: The TI-84 Plus CE is a standard graphing calculator that meets all required capabilities without having any of the prohibited features.

Example 2: Prohibited Calculator

A student has a TI-92 Plus, an older model.

• Inputs: QWERTY (Yes), Needs Power (No), Wireless (No), Stylus (No), Phone (No).
• Result: This calculator is PROHIBITED for the AP Precalculus exam.
• Reasoning: The TI-92 series has a QWERTY keyboard, which is explicitly banned by the College Board.

How to Use This AP Precalculus Calculator Checker

Using this tool is straightforward and can save you from a major headache on exam day. Follow these steps to verify your device.

1. Examine Your Calculator: Look closely at your device’s keyboard, ports, and screen.
2. Answer the Questions: For each feature listed in the calculator, check the box if your device has it.
3. Review the Result: The tool will immediately provide a clear “PERMITTED” or “PROHIBITED” status based on your inputs.
4. Understand the Details: The “Feature Analysis” section explains exactly which rule your calculator violates, if any. For more information, check out this AP Exam Prep Guide.

Key Factors That Affect Calculator Eligibility

When asking “can you use a calculator in AP Precalculus,” it’s not just about one feature but a combination of them. Here are the most important factors to consider:

• Graphing Capability: The calculator MUST be a graphing calculator. It needs to plot functions, find zeros, and analyze graphs.
• CAS (Computer Algebra System): Calculators with CAS, like the TI-Nspire CX II CAS, are permitted. A CAS can perform algebraic manipulations, such as solving for variables. While allowed, it’s crucial to know how to use it properly.
• Physical Form: Any device that looks like a computer, phone, or tablet is banned. This includes devices with large, typewriter-style keyboards.
• Power Source: The device must be battery-powered.
• Connectivity: No internet, Bluetooth, or other wireless communication is allowed.
• Approved List: The College Board maintains an official list of approved graphing calculators. It’s always best to cross-reference your model with their list. You may find this Graphing Calculator Tips article useful.

Frequently Asked Questions (FAQ)

1. What happens if I bring a prohibited calculator to the exam?

The proctor will not allow you to use it. You may have to take the calculator-required portions of the exam without one, which is a significant disadvantage.

2. Can I bring two calculators?

Yes, you are allowed to bring up to two approved calculators to the exam. This is a great strategy in case one malfunctions or the batteries die.

3. What is a CAS or Computer Algebra System?

A CAS is a feature that allows a calculator to manipulate mathematical expressions symbolically (with variables) rather than just numerically. For example, it can solve ‘2x – 1 = 0’ for ‘x’. CAS calculators are allowed on the AP Precalculus exam.

4. Do I need to clear my calculator’s memory before the exam?

No, the College Board does not require you to clear your calculator’s memory before or after the exam.

5. Is the calculator from the digital exam available for practice?

Yes, the Desmos graphing calculator is available online for students to practice with throughout the year. However, note that only the version embedded within the Bluebook testing app is allowed during the actual exam, not the web-based version.

6. Can I use a scientific calculator instead of a graphing calculator?

No, for the sections where a calculator is required, it must be a graphing calculator with specific capabilities like plotting functions. A scientific calculator is not sufficient.

7. Are there any calculator models you recommend?

The TI-84 Plus series (including the CE model) is the most common and widely used calculator in U.S. high schools and is a safe bet. The TI-Nspire CX series (both CAS and non-CAS versions) are also excellent choices. Check out our Best Calculators for School review for more details.

8. What’s the most important rule about the AP Precalculus calculator policy?

The biggest rule is no devices that can communicate with the outside world. This means no phones, smartwatches, or calculators with internet access. This is a core part of ensuring a fair testing environment. Reading a Strategies for AP Success article can further help.