Choosing the Right Calculator for the PSAT 10 Math Exam

The PSAT 10 Math Test is an essential checkpoint for high school students preparing for college-level academics. Along with measuring your grasp of math concepts, this test also prepares you for standardized assessments like the SAT. One component of the PSAT 10 Math section allows calculator use, giving you a valuable opportunity to solve certain problems more efficiently—if you have the right tool in hand.

In this first part of our three-part series, we’ll explore everything you need to know about PSAT 10 calculator policies, what features to look for, and how to choose the best model based on your needs and budget.

Why the Calculator You Bring Matters

It’s easy to assume that any calculator will do for a test like the PSAT 10, but that assumption can cost you. The College Board, the organization that administers the PSAT 10, has strict policies on what calculators are allowed. Bringing the wrong device could result in being barred from using it, which can drastically affect your performance on the calculator-permitted section.

Equally important is how familiar you are with the calculator you bring. A powerful tool that you don’t know how to use can become more of a burden than a benefit. Just as you wouldn’t drive a car without first learning how it works, you shouldn’t walk into the test room with an unfamiliar calculator.

Overview of Calculator Use on the PSAT 10

The PSAT 10 Math Test consists of two sections: one that prohibits calculator use and one that allows it. The calculator-permitted section includes problems that are more complex, such as those involving multi-step algebraic equations, word problems, and data analysis.

The calculator is there to help, not to solve everything for you. Students who over-rely on their calculators may actually perform worse than those who use them judiciously. Your main focus should always be on understanding the math; the calculator is simply a supporting tool to save time and reduce error.

What the College Board Allows

Not every calculator is permitted on the PSAT 10. The College Board publishes an official list of approved calculators, and it’s essential to follow their guidelines carefully. Approved calculators generally fall into the following categories:

• Four-function calculators (basic operations)
  
  
• Scientific calculators
  
  
• Graphing calculators (with some restrictions)
  
  

Prohibited devices include:

• Calculators with QWERTY keyboards
  
  
• Devices with internet access or wireless communication
  
  
• Tablets, laptops, smartwatches, or smartphones
  
  
• Calculators that can store text or retrieve information

To avoid surprises on test day, check the College Board’s most recent list of approved calculators well in advance and make sure your device complies with their rules.

The Risks of Bringing a Non-Compliant Calculator

If you show up with a calculator that’s not allowed, you will not be permitted to use it. You won’t be provided with an alternative, which means you’ll have to complete the calculator portion of the math test without one. That can seriously impact your score and leave you at a disadvantage.

Even more concerning is that bringing a prohibited calculator could raise concerns about cheating or unfair advantage. Always err on the side of caution and verify that your calculator is compliant with current guidelines.

Key Features to Look For in a PSAT 10 Calculator

When selecting a calculator for the PSAT 10, you need to focus on features that will genuinely help during the test rather than choosing the most expensive or high-tech option available.

Here are some of the most useful features to consider:

Ease of Use

The user interface should be intuitive. During a timed test, you don’t want to waste precious seconds figuring out which buttons to press.

Functionality

While you don’t need a calculator that can do calculus, it should be able to handle algebra, functions, fractions, exponents, and statistical calculations. Graphing calculators offer the broadest range of functions, but scientific calculators can also be powerful enough for the PSAT.

Speed and Display

Look for a calculator with a responsive keypad and a display that clearly shows multiple lines. A backlit or high-contrast screen can also be helpful in various lighting conditions.

Battery Life

Ensure that your calculator has sufficient battery life, or bring extra batteries if applicable. You don’t want your device to die in the middle of the test.

Approved Model

Above all, verify that the model is on the College Board’s approved list. This is the most important criterion, as even the best calculator is useless if it’s not allowed in the testing room.

Graphing Calculators vs. Scientific Calculators

There are pros and cons to each calculator type, and your decision will largely depend on your comfort level and the types of math problems you anticipate encountering.

Graphing Calculators

Graphing calculators can plot functions, solve equations, and handle matrices. They are the most powerful calculators allowed on the PSAT 10 and offer a wide array of features.

Pros:

• Useful for visual learners who benefit from graphing equations
  
  
• Allows quick analysis of functions and data sets
  
  
• Versatile and suitable for advanced math courses

Cons:

• More expensive
  
  
• May have a steeper learning curve
  
  
• Some models (like CAS-enabled versions) may not be allowed

Scientific Calculators

Scientific calculators don’t offer graphing capabilities but can perform many functions needed for the PSAT 10, such as trigonometry, exponents, logarithms, and fractions.

Pros:

• Affordable
  
  
• Simpler to use
  
  
• Lightweight and portable

Cons:

• Cannot graph equations
  
  
• May not be suitable for future standardized tests or higher-level math classes

Should You Invest in a New Calculator?

If you already own a calculator that you’re comfortable with and it’s on the approved list, there’s no need to buy a new one. However, if your current device lacks critical functionality or is difficult to use, it might be worth investing in a better model.

Think long-term. A good calculator can serve you not just for the PSAT 10, but also for the SAT, ACT, AP classes, and even college-level math. While it’s tempting to choose the cheapest option available, consider the value of having a reliable and versatile device that will last.

Recommended Calculator Brands and Models

Here is a brief preview of some of the best calculators that meet the College Board’s criteria and are ideal for the PSAT 10. We’ll review them in detail in Part 2 of this series.

• TI-Nspire CX II CAS (verify CAS functionality is allowed)
  
  
• Texas Instruments TI-83 Plus
  
  
• Casio fx-115ES PLUS2
  
  
• Casio fx-300ES PLUS2
  
  
• Catiga Scientific Graphing Calculator

Each of these models is widely accepted, easy to use, and packed with the features students need to tackle PSAT 10 math problems efficiently.

Borrowing or Sharing Calculators Is Not Recommended

Don’t assume you can borrow a calculator from a friend or from the test center. While some schools may offer spares, there’s no guarantee. Moreover, using someone else’s calculator can introduce unnecessary stress, especially if you’re unfamiliar with its functions.

It’s also worth noting that test centers do not provide calculators. You are expected to bring your own, and it’s your responsibility to ensure it’s in working condition.

Practice With the Calculator You’ll Use

The PSAT 10 is not the time to experiment with new technology. Once you choose your calculator, practice with it consistently. Use it during your PSAT math prep sessions, complete worksheets, and even simulate test conditions.

This familiarity will help you navigate its functions quickly and confidently. You’ll waste less time figuring out buttons and more time solving problems accurately.

Calculator Shortcuts and Strategy Tips

While we’ll explore advanced tips in Part 3 of this series, here are a few general strategies to get started:

• Learn how to quickly access common functions like square roots, exponents, and fractions.
  
  
• Use the memory or answer recall features when solving multi-step problems.
  
  
• When checking your answers, re-enter the problem from scratch to avoid carrying over mistakes.

Time is a precious resource during the PSAT. The better you understand how to maximize your calculator’s efficiency, the better your score will reflect your true abilities.

Choosing the best calculator for the PSAT 10 Math Test is more than just a matter of preference—it’s a strategic decision. A compliant, functional, and familiar calculator can boost your performance and reduce stress on test day. But remember: the calculator is a tool, not a substitute for math knowledge.

we’ve covered the importance of understanding the College Board’s calculator policy, key features to look for in a calculator, and how to make a smart purchasing decision. In we’ll provide an in-depth review of the top calculator models for the PSAT 10 and help you determine which one best fits your personal needs and learning style.

Top PSAT 10 Calculator Reviews – Pros, Cons, and Feature Comparisons

In Part 1 of this series, we explored why calculators matter on the PSAT 10, what kinds are allowed, and how to choose the right one. Now it’s time to look at specific models that can give you a competitive edge on test day.

In this guide, we’ll break down five of the most popular and highly recommended calculators for the PSAT 10 Math Test. We’ll examine their features, usability, pros and cons, and how well they align with College Board standards. Whether you’re on a tight budget or seeking high-end performance, this comprehensive review will help you find the best fit.

What to Expect from These Reviews

All the calculators reviewed here meet the College Board’s approved list for use on the PSAT 10. Each one has been evaluated based on:

• Functionality and versatility
  
  
• User-friendliness
  
  
• Display and input features
  
  
• Long-term usefulness (beyond PSAT)
  
  
• Price-to-performance value

Let’s dive into each model in detail.

TI-Nspire CX II CAS Graphing Calculator

 Manufacturer: Texas Instruments
Type: Graphing Calculator with CAS
Approximate Price: $150

Overview

The TI-Nspire CX II CAS is one of the most advanced calculators allowed on standardized tests. CAS stands for Computer Algebra System, which enables this device to solve algebraic equations symbolically (e.g., it can factor or expand expressions). With a sleek interface and a color display, this is a high-powered tool favored by advanced math students.

Key Features

• Full-color backlit display
  
  
• Rechargeable battery (lasts up to two weeks per charge)
  
  
• Built-in graphing, algebraic manipulation, and data analysis tools
  
  
• Slim, lightweight design
  
  
• Ability to store and access documents and notes

Pros

• CAS allows you to manipulate algebraic expressions directly
  
  
• Graphs are vivid and easy to interpret
  
  
• Excellent for long-term use in AP Calculus, college-level math, and engineering
  
  
• Quick response time and intuitive interface

Cons

• On the expensive side
  
  
• Learning curve is steeper than other calculators
  
  
• CAS functionality may not be allowed on certain state tests (always verify with your school)

Verdict

If you’re planning to pursue higher-level math courses and want a top-tier device that will serve you beyond the PSAT 10, the TI-Nspire CX II CAS is a solid investment—provided you’re willing to put in the time to learn it.

TI-83 Plus Graphing Calculator

 Manufacturer: Texas Instruments
Type: Graphing Calculator
Approximate Price: $110

Overview

A classic choice among students, the TI-83 Plus has stood the test of time. Although it’s an older model, its reliability, ease of use, and wide acceptance make it one of the most popular calculators for standardized testing.

Key Features

• Black-and-white display
  
  
• Basic graphing functionality
  
  
• Built-in statistical and scientific functions
  
  
• Long battery life (uses 4 AAA batteries)
  
  
• Fully test-approved by College Board

Pros

• Very user-friendly with minimal learning curve
  
  
• Durable and reliable
  
  
• Used in classrooms nationwide, making it familiar to most students
  
  
• Approved for virtually all standardized tests, including the SAT and ACT
  
  

Cons

• No color screen or modern UI
  
  
• Slower processing compared to newer models
  
  
• Limited advanced features compared to the TI-Nspire

Verdict

The TI-83 Plus is an excellent middle-ground choice for students who want a powerful, approved graphing calculator without the extra bells and whistles. It’s perfect if you’re looking for reliability over flash.

Casio fx-115ES PLUS2 Scientific Calculator

 Manufacturer: Casio
Type: Scientific Calculator
Approximate Price: $20–30

Overview

If you’re looking for an affordable, approved, and highly functional scientific calculator, the Casio fx-115ES PLUS2 should be near the top of your list. It doesn’t offer graphing, but it has plenty of functions that will help with most PSAT 10 math problems.

Key Features

• Natural textbook display (shows expressions as they appear in books)
  
  
• 280+ built-in functions including algebra, geometry, and statistics
  
  
• Solar plus battery power
  
  
• Multi-replay function for backtracking steps
  
  

Pros

• Extremely affordable
  
  
• Lightweight and easy to use
  
  
• Performs most functions needed on the PSAT
  
  
• Approved for use on SAT, ACT, and AP exams

Cons

• No graphing capabilities
  
  
• Not ideal for advanced math beyond high school
  
  
• Limited screen space and display lines

Verdict

For budget-conscious students or those who prefer simplicity, this is a solid option. While it won’t help with graphing problems, it’s a powerful and efficient tool for the majority of PSAT 10 math questions.

Casio fx-300ES PLUS2 Scientific Calculator

Manufacturer: Casio
Type: Scientific Calculator
Approximate Price: $15–20

Overview

This is a simpler, slightly less powerful version of the fx-115ES but still more than adequate for PSAT 10-level problems. It’s ideal for students who want a no-frills, reliable calculator that’s easy to operate.

Key Features

• Natural textbook display
  
  
• 200+ math functions
  
  
• Battery-powered (AAA)
  
  
• Simple, ergonomic layout

Pros

• Very inexpensive
  
  
• Lightweight and easy to carry
  
  
• User-friendly interface for basic to intermediate math

Cons

• Fewer functions than the fx-115ES PLUS2
  
  
• No graphing capabilities
  
  
• Not suitable for higher-level courses

Verdict

If you’re only preparing for the PSAT 10 and want a basic, reliable calculator, the fx-300ES PLUS2 will do the job well. It’s one of the most cost-effective choices that still adheres to College Board standards.

Catiga CS-121 Scientific Graphing Calculator

Manufacturer: Catiga
Type: Graphing Calculator
Approximate Price: $30–40

Overview

The Catiga CS-121 provides a balance between functionality and affordability. While it doesn’t have the advanced capabilities of Texas Instruments models, it offers essential graphing and algebra tools for PSAT-level math.

Key Features

• Basic graphing functionality
  
  
• 280+ math functions
  
  
• High-contrast screen for better readability
  
  
• Multi-line display

Pros

• Affordable compared to name-brand graphing calculators
  
  
• Covers all PSAT 10-required functions
  
  
• Easy to use, even for beginners

Cons

• Not as widely supported in classrooms
  
  
• Build quality is lower than TI or Casio
  
  
• Slower graphing capabilities

Verdict

For students who want graphing features on a budget, the Catiga CS-121 offers tremendous value. While it might not be your best choice for long-term academic use, it’s perfectly sufficient for the PSAT 10.

Calculator Comparison Chart

How to Choose the Best One for You

When picking a calculator for the PSAT 10, ask yourself:

• What is your budget?
  
  
• Do you want graphing capability?
  
  
• Are you already familiar with a certain model?
  
  
• Will you use this calculator in future standardized tests or coursework?

If you’re aiming for long-term use and advanced features, the TI-Nspire CX II CAS is ideal. If you just need a reliable tool for the PSAT and similar-level math, the Casio fx-115ES PLUS2 or TI-83 Plus may be better suited. For tight budgets, the Casio fx-300ES PLUS2 or Catiga CS-121 are both strong candidates.

Choosing the best calculator for the PSAT 10 is about striking the right balance between features, cost, usability, and compliance. The five models reviewed here represent a wide range of options, from high-end graphing devices to simple and budget-friendly scientific calculators.

we’ll go even further and cover test-day calculator strategies, how to practice effectively with your chosen device, and some key tips to save time and avoid common mistakes during the actual exam.

Stay tuned, and let your calculator become a tool—not a crutch—for your PSAT 10 math success.

Mastering PSAT 10 Math with Your Calculator – Strategies, Tips, and Common Mistakes to Avoid

We discussed the importance of choosing the right calculator and understanding the PSAT 10’s calculator rules., we reviewed and compared the best calculator options for the test. Now in, we’ll focus on how to effectively use your calculator as a strategic tool during the exam.

While your calculator can assist you in many ways, it’s essential to remember that it’s only an aid, not a substitute for understanding the material. Knowing when and how to use it is what separates good test-takers from great ones.

This final part of the series will help you:

• Master your calculator before the test
  
  
• Use it efficiently under timed conditions
  
  
• Avoid the most common calculator-related errors
  
  
• Practice the right way with your device

Why Calculator Strategy Matters

The PSAT 10 includes two math sections: one that prohibits calculator use and one that allows it. Students often assume that the calculator-allowed section means they should use the calculator for every question. This is a critical mistake.

Smart calculator use means using the device only when it saves time, reduces error, or helps confirm an answer. Overreliance on your calculator can lead to:

• Wasting time typing what you could do mentally
  
  
• Mis-entering complex expressions
  
  
• Depending on it for concepts you should already understand

By the end of this article, you’ll be equipped to maximize your calculator’s benefits while sidestepping these risks.

Know Your Calculator Before Test Day

A surprising number of students bring a calculator to the test that they barely know how to use. Just because a calculator is powerful doesn’t mean it will help if you’re not familiar with its features.

Here’s how to prepare in advance:

Use the Same Calculator for Practice and the Test

If you plan to use the TI-83 Plus, Casio fx-115ES PLUS2, or any other model on test day, practice all your math problems with that same device. Muscle memory and button familiarity are critical during timed conditions.

Learn the Key Functions You’ll Need

Most PSAT 10 questions involve basic to intermediate algebra, geometry, percentages, and statistics. Know how to:

• Enter and solve equations
  
  
• Use parentheses correctly
  
  
• Access functions like square roots, exponents, and fractions
  
  
• Graph simple linear equations (if using a graphing calculator)
  
  
• Recall previous entries (to correct mistakes without retyping)

Customize Your Settings

Some calculators allow you to adjust settings for decimals, degrees vs. radians, or fraction vs. decimal display. Make sure these are aligned with what you’re used to. For example:

• Set your calculator to MathPrint mode (on Casio models) to display answers like textbooks do.
  
  
• On the TI-83 Plus, use the MODE key to adjust decimal rounding and angle measurement options.

Smart Calculator Use During the PSAT 10

Knowing when to use your calculator is just as important as knowing how.

Here’s a breakdown of situations where calculator use is beneficial:

1. Fractions and Decimals

Use the calculator to:

• Convert between fractions and decimals quickly
  
  
• Avoid arithmetic errors in long division
  
  
• Check your hand-calculated simplifications

However, don’t default to it for every fraction. Simple ones like ¾ or ⅖ should be done mentally.

2. Complex Algebraic Expressions

On more involved algebra questions, especially those with multiple variables, nested parentheses, or negative exponents, using your calculator to check your simplifications is wise. Enter the full expression to confirm your answer.

Tip: Always double-check parentheses placement. One missed bracket can give a completely different result.

3. Graphing Linear or Quadratic Functions

If you’re using a graphing calculator like the TI-Nspire CX II CAS or TI-83 Plus, use the graphing tool to:

• Find intersections
  
  
• Confirm slopes
  
  
• Analyze roots and y-intercepts

This can be especially useful on questions that describe a relationship in words but ask you to interpret it mathematically.

4. Geometry Calculations

Geometry problems involving circles, triangles, or polygons often involve:

• The use of π (pi)
  
  
• The Pythagorean theorem
  
  
• Trigonometric ratios (on more advanced practice tests)

Use your calculator to simplify square roots, multiply decimals, and calculate trigonometric values. But remember: the formulas are given—knowing when to apply them is more important than solving them with your calculator.

5. Statistics and Probability

For questions involving:

• Mean
  
  
• Median
  
  
• Range
  
  
• Probability fractions

Your calculator can help quickly tally totals and perform accurate division, especially for more tedious problems.

When Not to Use Your Calculator

Here are common scenarios where students misuse their calculators:

1. Simple Arithmetic

Questions like “What is 24 × 5?” or “What is 10% of 60?” don’t require a calculator. Typing these slows you down and increases the risk of typos.

2. Multiple Choice with Obvious Eliminations

Some questions are best approached by logic or elimination. If an answer choice clearly violates a basic principle (e.g., being negative when the result must be positive), you don’t need to compute it—just eliminate it.

3. Estimation Questions

Sometimes, exact values aren’t necessary. A quick estimate can save time and still lead to the correct answer.

Practice Techniques for Calculator Mastery

Timed Practice with Mixed Sections

The best way to simulate the test is by using full-length PSAT 10 practice exams under timed conditions. Alternate between calculator and no-calculator sections to train your brain to switch contexts.

Calculator-Only Problem Sets

Design problem sets specifically for practicing calculator use:

• Enter complex expressions
  
  
• Graph different equations
  
  
• Solve applied word problems
  
  
• Convert between formats (fractions to decimals, degrees to radians)

This helps you internalize function access and builds your speed.

Avoid “Calculator Dependency”

Challenge yourself to solve problems mentally or on paper first, then use your calculator to confirm. This habit ensures that you’re learning the math—not just pushing buttons.

Avoiding Common Calculator Mistakes

Even experienced test-takers fall into these traps. Avoid them with careful attention:

Typing Errors

Typing “4 + 3 × 2” without parentheses might return 10 instead of the expected 14 if you don’t account for order of operations. Use parentheses deliberately.

Rounding Too Early

Keep numbers in your calculator’s memory until the very end. Rounding mid-problem can lead to incorrect answers, especially with percentages or irrational numbers like π.

Forgetting Mode Settings

Accidentally leaving your calculator in radian mode instead of degree mode can result in wrong trigonometric values. Always verify before the test begins.

Skipping the Double-Check

Before you bubble in your final answer, glance at your calculator display. Did you enter it right? Is the result what you expected? These extra five seconds can save costly points.

Test-Day Calculator Checklist

Before you leave for the exam, use this quick checklist to make sure your calculator is ready:

• Fully charged or equipped with new batteries
  
  
• The exact model you’ve practiced with
  
  
• Reset to default mode settings (degrees, decimals, etc.)
  
  
• Working screen with no display issues
  
  
• No unauthorized programs or stored notes (erase memory if necessary)
  
  
• Backup calculator or batteries (if allowed)

Also remember: phones and smartwatches are strictly prohibited, even in calculator sections.

What If Your Calculator Fails on Test Day?

It happens. Maybe the batteries run out or it gets dropped. Here’s how to handle it:

• Stay calm. You can still solve the problems with scratch paper.
  
  
• Rely on your training. If you’ve practiced without a calculator, you’ll be just fine.
  
  
• Use test logic. Estimations, elimination, and smart guessing can still work.

Many PSAT 10 calculator-section problems are intentionally solvable without a calculator. It helps level the playing field for students with limited resources.

Final Conclusion: Mastering the PSAT 10 Math Test with the Right Calculator

Success on the PSAT 10 Math Test isn’t just about knowing formulas or memorizing procedures. It’s also about using every allowed tool to your advantage—and the calculator is one of the most important. But simply having a calculator isn’t enough. What truly makes a difference is choosing the right one, learning how to use it effectively, and developing the judgment to know when it will help you most.

Throughout this guide, we’ve explored the critical role a calculator plays in your test preparation and performance. From understanding the PSAT 10’s calculator policies to evaluating which models are approved and most beneficial, the goal has been to equip you with both the knowledge and confidence to make smart decisions.

A good calculator can be a powerful support system. It can help verify your work, simplify complex calculations, and save precious time. However, calculators are tools, not crutches. True success comes when you understand the math first and use your calculator as an assistant, not a substitute for thinking.

The key is preparation. The more familiar you are with your calculator, the more efficiently you can use it during the test. Practicing with the same model you’ll use on exam day ensures you’re not fumbling with unfamiliar buttons or wasting time navigating menus. The best calculator in the world won’t help if you don’t know how to use it with speed and accuracy.

What truly sets strong test-takers apart is their ability to balance intuition with strategy. They don’t reach for their calculator at every opportunity. They rely on it when it adds value, when it confirms an answer, or when it helps avoid careless mistakes. They trust their training and sharpen their instincts through consistent, intentional practice.

As you move forward in your PSAT preparation, don’t overlook the power of this small but mighty device. Take the time to choose the right calculator, learn its features inside and out, and develop the discipline to use it wisely. Doing so will not only improve your score—it will make you a more capable, confident problem solver, both in the test room and beyond.

With the right mindset, the right tools, and the right preparation, you’re fully equipped to tackle the PSAT 10 Math Test and make your calculator work for you—not the other way around.