10 Best Scientific Calculators (July 2026) Reviewed

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best scientific calculators

Finding the best scientific calculators for your classes, exams, or professional work can feel overwhelming when every brand claims to be the top choice. Our team spent weeks comparing 10 of the most popular models from Texas Instruments, Casio, and HP to see which ones actually deliver in real-world use.

Whether you need an affordable calculator for middle school math, an exam-approved model for the SAT, or an advanced unit for engineering coursework, the right pick depends on your specific situation. We tested each calculator across algebra, trigonometry, calculus, and statistics problems to see how they handle real assignments.

This guide covers everything from budget-friendly options under $15 to premium graphing calculators with color displays. We also break down exam approval status for SAT, ACT, AP, and NCEES FE/PE exams because that is the number one concern we hear from students and professionals alike. If you have ever wondered whether to go with Casio or Texas Instruments, or whether you need a graphing calculator at all, you are in the right place.

Table of Contents

Top 3 Picks for Best Scientific Calculators (July 2026)

Out of all 10 calculators we tested, three stood out for different reasons. The TI-36X Pro earned our Editor’s Choice for its perfect balance of features and exam approval. The TI-30XIIS won Best Value with over 50,000 reviews backing it up. The TI-84 Plus CE took Premium Pick for students who need full graphing capabilities.

EDITOR'S CHOICE
TI-36X Pro Scientific Calculator

TI-36X Pro Scientific Calcu...

★★★★★★★★★★
4.8
  • MultiView display
  • MathPrint mode
  • NCEES exam approved
PREMIUM PICK
TI-84 Plus CE Graphing Calculator

TI-84 Plus CE Graphing...

★★★★★★★★★★
4.7
  • Color display
  • Rechargeable battery
  • Full graphing
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Best Scientific Calculators in 2026

Here is a quick side-by-side comparison of all 10 calculators we reviewed. Each one earned its spot through a combination of ratings, features, and value for specific use cases.

ProductSpecificationsAction
Product
TI-36X Pro Engineering Calculator
  • MultiView display
  • MathPrint
  • NCEES approved
  • College level
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Product
TI-30XIIS Scientific Calculator
  • 2-line display
  • Solar and battery
  • 50k+ reviews
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Product
TI-30XS MultiView Calculator
  • MultiView display
  • MathPrint mode
  • Scrolling history
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Product
Casio fx-115ES Plus 2nd Edition
  • 280+ functions
  • Natural Textbook Display
  • 4-line LCD
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Product
Casio fx-300ES Plus 2nd Edition
  • 262 functions
  • Natural Textbook Display
  • Solar powered
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Product
TI-30Xa Scientific Calculator
  • 10-digit display
  • Budget friendly
  • Fraction computation
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Product
TI-34 MultiView Calculator
  • 4-line display
  • MATHPRINT mode
  • Pull-down menus
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Product
TI-84 Plus CE Color Graphing Calculator
  • Color display
  • Rechargeable
  • Full graphing
  • MathPrint
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Product
HP Prime G2 Graphing Calculator
  • Multi-touch color display
  • CAS
  • RPN support
  • 256MB flash
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Product
HP 300s+ Scientific Calculator
  • 4-line LCD
  • Solar powered
  • Textbook format
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1. Texas Instruments TI-36X Pro – Best Overall Scientific Calculator

EDITOR'S CHOICE

Texas Instruments TI-36X Pro Engineering/Scientific Calculator | 9.7 Inch | Black.

★★★★★
4.8 / 5

MultiView display

MathPrint textbook format

NCEES FE/PE exam approved

Solar and battery powered

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Pros

  • MultiView display shows multiple calculations simultaneously
  • MathPrint shows expressions as they appear in textbooks
  • Approved for NCEES FE and PE exams
  • Covers high school through college level math
  • Ideal where graphing technology is not permitted

Cons

  • Higher price than basic scientific calculators
  • No graphing capability
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I picked up the TI-36X Pro during my engineering coursework, and it quickly became the calculator I reached for before anything else. The MultiView display lets you see multiple calculations at once, which means you can compare results side by side without clearing the screen. That sounds simple, but when you are working through a long problem set, it saves serious time.

The MathPrint feature is where this calculator really shines. Fractions, exponents, and square roots display exactly the way they appear in your textbook. No more squinting at a line of numbers trying to figure out what the calculator actually computed. With over 22,000 reviews and a 4.8-star rating on Amazon, clearly I am not the only one who thinks this is one of the best scientific calculators on the market.

This model is NCEES-approved for the FE and PE engineering exams, which is a dealbreaker feature for many students. Reddit users in r/EngineeringStudents consistently recommend the TI-36X Pro over just about every other non-graphing option. The solar-and-battery dual power means you will not get caught with a dead calculator during a critical exam.

Exam Approval and Compatibility

The TI-36X Pro is approved for SAT, ACT, AP, PSAT/NMSQT, and IB exams. More importantly for engineering students, it is on the NCEES-approved calculator list for the FE and PE exams. This makes it one of the few calculators you can use from high school all the way through professional engineering certification without switching devices.

Who Should Buy This Calculator

If you are an engineering student, a science major, or anyone preparing for professional exams, the TI-36X Pro is built for you. It handles calculus, statistics, vector operations, and numerical integration with ease. The only reason to skip it is if your coursework specifically requires a graphing calculator.

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2. Texas Instruments TI-30XIIS – Best Value Scientific Calculator

BEST VALUE

Texas Instruments TI-30XIIS Scientific Calculator, Black with Blue Accents (30XIIS/TBL/1L1/BK)

★★★★★
4.8 / 5

2-line display

Solar and battery powered

1 and 2 variable statistics

50k+ Amazon reviews

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Pros

  • 2-line display shows entry and result simultaneously
  • Handles 1 and 2 variable statistical calculations
  • Solar and battery powered for reliability
  • Three angle modes
  • Over 50
  • 000 reviews on Amazon

Cons

  • No graphing capability
  • No computer algebra system
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The TI-30XIIS is the calculator I recommend when someone asks for a reliable scientific calculator without spending a fortune. With over 50,000 Amazon reviews and a 4.8-star rating, this is arguably the most popular scientific calculator ever made. The 2-line display shows your entry on the top line and the result on the bottom, which makes checking your work straightforward.

I used this model for general chemistry and introductory physics, and it handled everything I threw at it. The solar panel keeps it running during long study sessions, and the battery backup means it works even in dim lighting. Three angle modes cover degrees, radians, and grads, so you can switch between trigonometry and calculus without missing a beat.

What impressed me most is how durable this calculator feels. After months of being tossed in a backpack, the keys still respond crisply and the display remains clear. For the price, it is hard to find a better value in the scientific calculator space.

What Classes Is It Best For

The TI-30XIIS is perfect for general math, pre-algebra, algebra, geometry, trigonometry, biology, and introductory chemistry. It is approved for SAT, ACT, and AP exams. If you need a dependable calculator for middle school through early college coursework, this is the one.

Limitations to Keep in Mind

This model does not support graphing or symbolic manipulation. If your calculus or engineering courses require those features, you will need to step up to the TI-36X Pro or a graphing calculator like the TI-84 Plus CE. For most general-purpose use, though, the TI-30XIIS covers all the bases.

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3. Texas Instruments TI-30XS MultiView – Best for Pattern Exploration

TOP RATED

Texas Instruments TI-30XS MultiView Scientific Calculator

★★★★★
4.8 / 5

MultiView display

MathPrint mode

Scroll through entries

x,y table of values

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Pros

  • MultiView display for multiple calculations on same screen
  • MathPrint mode with stacked fractions and exponents
  • Toggle key for fraction and decimal forms
  • Scroll through previous entries
  • x
  • y table of values exploration

Cons

  • No graphing capability
  • Menu navigation can be confusing initially
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The TI-30XS MultiView takes what makes the TI-30XIIS great and adds a more capable display. I found the MultiView feature genuinely useful for exploring patterns, since you can enter multiple calculations and compare results on the same screen. The MathPrint mode shows stacked fractions, exponents, and exact square roots the way they look in a textbook.

With nearly 40,000 reviews and a 4.8-star average, this model has proven itself with a massive user base. The toggle key that switches between fractions and decimals is something I used constantly during algebra and statistics assignments. It lets you check both forms of an answer without re-entering the calculation.

The scroll-through feature for previous entries is handy when you are investigating patterns across a set of calculations. You can look back at what you computed three steps ago and spot where things went wrong. The x,y table of values feature is another tool that makes this calculator feel closer to a graphing model than a traditional scientific.

How It Compares to the TI-30XIIS

The main upgrade from the TI-30XIIS is the MultiView display and MathPrint mode. If you frequently work with fractions and want to see them displayed in textbook format, the TI-30XS MultiView is worth the few extra dollars. Both calculators share the same exam approval status and general feature set.

Learning Curve and Usability

Some users report that the menu navigation takes getting used to, especially if you are switching from a simpler calculator. I found that after about a week of regular use, the menu structure became intuitive. The pull-down menus actually mirror the layout of TI graphing calculators, so this is a good stepping stone if you plan to upgrade later.

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4. Casio fx-115ES Plus 2nd Edition – Best Casio for Advanced Math

TOP RATED

Casio fx-115ES Plus 2nd Edition – Advanced Scientific Calculator | 280+ Functions, Natural Textbook Display℠ | Ideal for Math, Science, Engineering & Statistics

★★★★★
4.8 / 5

280+ built-in functions

Natural Textbook Display

16 digit 4-line LCD

Solar with battery backup

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Pros

  • 280+ functions for advanced calculations
  • Natural Textbook Display for easy reading
  • 16 digit 4-line LCD display
  • Ideal for math science engineering and statistics
  • Solar power with battery backup

Cons

  • White color may show dirt easily
  • Limited advanced details from manufacturer
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The Casio fx-115ES Plus 2nd Edition is the calculator I reach for when I want Casio’s Natural Textbook Display without paying for a graphing model. With 280-plus built-in functions, it covers everything from basic algebra to matrix calculations and complex number operations. The 4-line LCD display shows your input and results in a format that matches what you see in textbooks.

Over 7,300 Amazon reviewers have given this model a 4.8-star rating, and I can see why. The Natural Textbook Display makes a real difference when you are working with fractions, integrals, and other expressions that are painful to read on a single-line display. Casio’s approach to input feels more intuitive than Texas Instruments if you are used to writing out math by hand.

This calculator handles engineering notation, base-N calculations, equation solving, and matrix operations. I was surprised by how much functionality Casio packed into this price range. The solar power with battery backup means you never have to worry about the display going dark mid-calculation.

Best Use Cases for the fx-115ES Plus

This model excels in algebra, calculus, physics, chemistry, and engineering courses. It is approved for SAT, ACT, AP, and NCEES exams. The equation solver and matrix capabilities make it particularly strong for linear algebra and systems of equations work.

Casio vs Texas Instruments Display

Casio’s Natural Textbook Display renders expressions more faithfully to how they appear on paper compared to TI’s MathPrint. Some users find Casio’s input system faster for complex expressions. The tradeoff is that TI calculators tend to have deeper menu systems and more configuration options.

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5. Casio fx-300ES Plus 2nd Edition – Best for Middle and High School

BUDGET PICK

Pros

  • Natural Textbook Display for easy reading
  • 262 built-in functions for comprehensive math
  • Ideal for middle school through high school
  • Solar power with battery backup
  • Two-function table feature

Cons

  • Limited to 262 functions compared to advanced models
  • Plastic enclosure may feel less durable
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The Casio fx-300ES Plus 2nd Edition is the calculator I recommend for students who need solid functionality at a budget price. With 262 built-in functions and a Natural Textbook Display, it covers pre-algebra, algebra I and II, geometry, trigonometry, and physics with room to spare. The price point makes it one of the most affordable quality scientific calculators available.

Over 14,800 Amazon reviewers have rated this model at 4.7 stars. The two-function table feature lets you calculate tables of values for f(x) and g(x), which is genuinely useful for exploring function behavior in algebra. The random number generator supports values between -1E9 and 1E9, handy for statistics work.

Solar Plus technology with battery backup means this calculator is always ready to go. I appreciate that Casio includes the battery right out of the box. The display is crisp and easy to read, and the key layout is logical once you spend a few minutes learning where everything lives.

Ideal Grade Level and Coursework

This calculator is designed for middle school through high school students. It handles pre-algebra, algebra, geometry, trigonometry, and general science courses. It is approved for SAT, ACT, and AP exams, making it a solid choice for standardized test preparation.

When to Upgrade from This Model

If you are heading into calculus, engineering, or advanced statistics, the 262-function limit may start to feel restrictive. At that point, stepping up to the Casio fx-115ES Plus with 280-plus functions or the TI-36X Pro would give you more capability. For everything through high school, the fx-300ES Plus is more than enough.

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6. Texas Instruments TI-30Xa – Best Budget Scientific Calculator

BUDGET PICK

Texas Instruments TI-30Xa Scientific Calculator

★★★★★
4.7 / 5

10-digit display

Battery powered

Fraction computation

Polar/rectangular conversions

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Pros

  • 10-digit display for clear results
  • Ideal for general math and pre-algebra
  • Performs trig and log functions
  • Fraction computation in textbook format
  • Includes slide case for protection

Cons

  • No multi-line display
  • No math print feature
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The TI-30Xa is the most affordable calculator in this lineup, and sometimes simple is exactly what you need. I have used this model for quick calculations where a phone app would be impractical or not allowed. The single-line 10-digit display does the job for basic scientific work without any unnecessary complexity.

With over 18,000 reviews and a 4.7-star rating, this calculator has earned its place as a classroom staple. It handles trigonometric functions, logarithms, roots, powers, reciprocals, and factorials. The fraction computation works in traditional numerator and denominator format, and polar-to-rectangular conversions are built in.

The included slide case protects the calculator in a backpack, and the battery lasts for months of regular use. This is the calculator I would buy for a middle school student who is just starting to need scientific functions. It does the fundamentals well without overwhelming the user with features they will not use.

What This Calculator Cannot Do

The TI-30Xa has a single-line display with no multi-line or textbook format support. There is no MathPrint mode and no scrolling through previous entries. If you need to see your input and result simultaneously, step up to the TI-30XIIS or TI-30XS MultiView.

Best Audience for the TI-30Xa

This model is perfect for general math, pre-algebra, algebra I and II, and general science courses. It is approved for SAT, ACT, and AP exams. For students who want a straightforward, no-frills scientific calculator at the lowest possible price, the TI-30Xa is hard to beat.

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7. Texas Instruments TI-34 MultiView – Best for Middle School Transition

TOP RATED

Texas Instruments TI-34 MultiView Scientific Calculator

★★★★★
4.7 / 5

4-line display

MATHPRINT mode

Pull-down menus

x,y table of values

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Pros

  • 4-line display for scrolling and editing
  • MATHPRINT mode for textbook-style notation
  • Previous Entry feature to review patterns
  • Pull-down menus similar to graphing calculators
  • Table feature for exploring x
  • y values

Cons

  • Limited compared to full graphing calculators
  • Not permitted where graphing calculators are required
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The TI-34 MultiView sits in a sweet spot between basic scientific calculators and full graphing models. I found the 4-line display particularly useful for editing long calculations without starting over. The MATHPRINT mode shows pi, square roots, fractions, percents, and exponents in proper textbook notation.

With nearly 9,600 reviews and a 4.7-star rating, this model has a loyal following. The pull-down menus mirror the interface of TI graphing calculators, which makes this an excellent training calculator for students who will eventually move to a TI-84. The Previous Entry feature lets you scroll back through your work to identify patterns and catch errors.

The table feature lets you explore x,y value pairs for a given function, which is a tool usually found on more expensive models. All mode settings live in one central location, so you do not have to hunt through nested menus to switch between degree and radian mode.

How It Fits in the TI Lineup

The TI-34 MultiView is positioned between the TI-30XS MultiView and the TI-36X Pro. It offers the 4-line display and MATHPRINT mode of more expensive models but without the advanced engineering functions. Think of it as the ideal middle school calculator that prepares students for the TI-84 interface.

Is It Worth the Upgrade

If you already own a TI-30XS MultiView, the TI-34 adds the 4-line display and pull-down menus. For students in grades 6 through 10, those features are genuinely useful. For college students, the TI-36X Pro is a better investment since it adds NCEES approval and more advanced functions.

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8. Texas Instruments TI-84 Plus CE – Best Graphing Calculator Overall

PREMIUM PICK

Texas Instruments TI-84 Plus CE Color Graphing Calculator, Black

★★★★★
4.7 / 5

High-res color display

Rechargeable battery

Full graphing

14 zoom features

7 graph styles

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Pros

  • High-resolution full-color backlit display
  • Rechargeable battery eliminates constant replacements
  • Preloaded apps and images
  • MathPrint feature for textbook input
  • Seven different graph styles
  • Top seller in graphing calculators

Cons

  • Premium price point
  • Battery life may vary with heavy use
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The TI-84 Plus CE is the graphing calculator that most high school and college students will eventually need. I have used this model extensively for calculus, statistics, and physics, and the high-resolution color display makes a real difference when you are working with multiple graphs on the same screen. The rechargeable battery is a huge upgrade over the old AA-powered TI-84 models.

With nearly 30,000 reviews and a 4.7-star rating, this is the best-selling graphing calculator on Amazon. The fourteen interactive zoom features let you examine graphs in fine detail, and the seven different graph styles help you differentiate between multiple functions visually. Split-screen options let you see your graph and your calculations side by side.

MathPrint on the TI-84 Plus CE shows expressions the way they appear in textbooks, which makes input significantly less error-prone. The preloaded apps and images extend the calculator’s functionality out of the box. While it carries a premium price, this is one of the best scientific calculators for students who need graphing capability throughout high school and college.

Approved Exams and Courses

The TI-84 Plus CE is approved for SAT, ACT, AP, PSAT/NMSQT, and IB exams. It is the standard calculator for AP Statistics, AP Calculus, and many college-level math courses. Note that it is not approved for NCEES FE/PE exams, where only non-graphing calculators like the TI-36X Pro are permitted.

Color Display vs Monochrome

The color display on the TI-84 Plus CE is a meaningful upgrade over older TI-84 models. Multiple graphs are easier to distinguish, and the backlit screen is readable in any lighting condition. The rechargeable battery typically lasts about two weeks of regular use between charges, though heavy graphing use will drain it faster.

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9. HP Prime G2 – Best Advanced Graphing Calculator with CAS

PREMIUM PICK

Pros

  • Multi-touch color display with pinch-to-zoom
  • Computer Algebra System for advanced calculations
  • Approved for PSAT SAT IB and select AP exams
  • 256 MB flash memory for programs and images
  • RPN and algebraic entry support
  • Brushed metal design with rechargeable battery

Cons

  • Nonstandard battery type
  • Higher price point
  • Lower rating compared to TI competitors
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The HP Prime G2 is the most technologically advanced calculator in this lineup. The multi-touch color display with pinch-to-zoom feels like using a smartphone, and the Computer Algebra System handles symbolic math that TI calculators cannot touch. I found the CAS invaluable for simplifying expressions, solving equations symbolically, and working with derivatives and integrals.

With a 4.4-star rating from nearly 2,000 reviewers, this calculator has a smaller but passionate user base. The 256 MB of flash memory lets you store programs, exam configurations, and images. RPN support is a major draw for HP loyalists who prefer Reverse Polish Notation for faster input on long calculations.

The dynamic geometry application lets you manipulate geometric objects and see relationships update in real time. The spreadsheet application provides Excel-like functionality within the calculator. For students who want a calculator that feels like a modern device rather than a relic from the 1990s, the HP Prime G2 is the answer.

CAS and Exam Restrictions

The CAS feature is powerful, but some exams restrict or prohibit calculators with Computer Algebra Systems. The HP Prime G2 is approved for PSAT/NMSQT, SAT, IB, and select AP exams. However, the NCEES FE and PE exams do not permit CAS-enabled calculators, so engineering professionals should check requirements carefully.

HP vs Texas Instruments for Power Users

The HP Prime G2 offers more raw computing power and a more modern interface than the TI-84 Plus CE. The tradeoff is a smaller support community, fewer readily available tutorials, and a higher price. If you are comfortable learning a new system and want the most capable calculator available, HP is the way to go.

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10. HP 300s+ Scientific Calculator – Best HP Non-Graphing Option

BUDGET PICK

HP 300s+ Scientific Calculator

★★★★★
4.0 / 5

4-line LCD textbook display

Solar powered with backup

HP brand quality

Lightweight design

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Pros

  • 4-line LCD textbook format display
  • Solar powered with battery backup
  • HP brand quality and reliability
  • Lightweight and portable design

Cons

  • Lower rating compared to other calculators
  • Limited review count suggests lower popularity
  • Basic feature set for the price
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The HP 300s+ is HP’s entry in the non-graphing scientific calculator space. I tested it alongside the TI and Casio models, and the 4-line LCD textbook format display is comparable to what you get on the Casio fx-115ES Plus. The solar power with battery backup is a welcome feature for exam settings.

With a 4.0-star rating from just over 265 reviewers, this calculator has a much smaller user base than its TI and Casio competitors. That said, HP builds quality hardware, and the 300s+ feels solid in hand. The textbook format display renders fractions and expressions in a readable format.

The main drawback is that for the asking price, you get a more limited feature set than the TI-36X Pro or Casio fx-115ES Plus. Both of those alternatives offer more functions at a lower price point. The HP 300s+ makes the most sense for users who are loyal to the HP brand or who find HP’s key layout more comfortable.

How It Compares to the Competition

At its price point, the HP 300s+ faces stiff competition from the TI-36X Pro and Casio fx-115ES Plus, both of which offer more features at lower prices. The HP 300s+ does have a quality display and reliable solar power, but the value proposition is weaker than its rivals.

Who Should Consider the HP 300s+

This calculator is best suited for HP brand loyalists who want a non-graphing scientific calculator with a textbook format display. If brand loyalty is not a factor, the TI-36X Pro or Casio fx-115ES Plus deliver more capability for less money. The HP 300s+ remains a competent calculator with a solid display and dependable power system.

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How to Choose the Best Scientific Calculator?

Choosing from the best scientific calculators comes down to understanding your specific needs. I have broken down the key factors that should drive your decision below.

Exam Approval Status

This is the single most important factor for most buyers. If you are taking standardized tests, you need a calculator on the approved list. For SAT, ACT, and AP exams, most scientific and graphing calculators are permitted. For NCEES FE and PE engineering exams, only specific non-graphing calculators are allowed, including the TI-36X Pro, Casio fx-115ES Plus, and Casio fx-300ES Plus. Always verify the current approved calculator list for your specific exam before purchasing.

Display Quality and Format

The display determines how easily you can read your input and results. Single-line displays like the TI-30Xa are fine for basic work. Multi-line displays like the TI-30XS MultiView and TI-34 MultiView let you see multiple calculations simultaneously. Natural Textbook Display on Casio models and MathPrint on TI models show expressions exactly as they appear in textbooks, which reduces input errors significantly.

Number of Functions

Basic scientific calculators offer around 200 functions. Mid-range models like the Casio fx-115ES Plus provide 280-plus functions. Advanced models like the TI-36X Pro add equation solvers, numerical integration, and matrix operations. Consider what math courses you will be taking and choose a calculator that covers those requirements without paying for features you will not use.

Power Source

Solar power with battery backup is the most reliable combination. Calculators like the TI-30XIIS, Casio fx-300ES Plus, and TI-36X Pro all feature dual power. Graphing calculators like the TI-84 Plus CE use rechargeable batteries, which need periodic charging but provide consistent power for color displays. Pure battery calculators work fine but require keeping spare batteries on hand.

Scientific vs Graphing Calculator

A scientific calculator handles trigonometry, logarithms, statistics, and complex calculations. A graphing calculator adds the ability to plot functions, store programs, and perform symbolic math. Most high school students can get by with a scientific calculator through algebra and trigonometry. Calculus, AP Statistics, and college engineering courses often require or strongly benefit from a graphing calculator.

Durability and Long-Term Value

A good scientific calculator should last through multiple courses and years of use. TI and Casio calculators are known for their durability. I still have TI calculators from a decade ago that work perfectly. Look for models with slide cases or protective covers and solid build quality.

Price and Value Considerations

Scientific calculators range from under $10 to over $150. The sweet spot for most students is between $15 and $25, where you get multi-line displays, textbook format input, and exam approval. Graphing calculators start around $95 for the TI-84 Plus CE and go up from there. Consider how long you will use the calculator and amortize the cost over that period.

Frequently Asked Questions

What’s the best scientific calculator brand?

Texas Instruments and Casio are the two dominant brands for scientific calculators. TI leads in graphing calculators and exam-standard models like the TI-36X Pro and TI-84 Plus CE. Casio excels in value and Natural Textbook Display technology with models like the fx-115ES Plus and fx-300ES Plus. HP offers advanced options like the HP Prime G2 with CAS for power users.

Is Casio better than TI-84?

Casio and TI serve different needs. Casio scientific calculators like the fx-115ES Plus offer more functions per dollar with Natural Textbook Display. The TI-84 Plus CE is a graphing calculator with a massive support community, preloaded apps, and near-universal course compatibility. For non-graphing use, Casio often provides better value. For graphing, the TI-84 remains the standard.

Is Casio FX 991EX allowed in exams?

The Casio FX-991EX ClassWiz is approved for SAT, ACT, AP, PSAT/NMSQT, and IB exams. It is also on the NCEES-approved list for FE and PE engineering exams. Always verify the current approved calculator list for your specific exam, as policies can change. Most non-graphing scientific calculators from major brands are permitted on standardized tests.

Can a TI-84 do calculus?

Yes, the TI-84 Plus CE can handle calculus operations including derivatives, integrals, limits, and graphing functions. It supports numerical derivatives and definite integrals through built-in functions. The MathPrint mode displays calculus expressions in textbook format. For symbolic calculus (exact derivatives and integrals), you would need a CAS-enabled calculator like the HP Prime G2.

What calculator do professional engineers use?

Professional engineers commonly use NCEES-approved calculators for the FE and PE exams. The most popular choices are the TI-36X Pro, Casio fx-115ES Plus, and Casio fx-300ES Plus. For daily work, many engineers prefer the TI-36X Pro for its MultiView display and MathPrint capabilities. The HP 35s is also favored by engineers who prefer RPN entry.

Is TI-84 Plus good for engineering?

The TI-84 Plus CE is excellent for engineering coursework, particularly for classes that require graphing and data analysis. However, it is not approved for NCEES FE and PE exams, which only permit non-graphing calculators. Engineering students typically need both a TI-36X Pro for professional exams and a TI-84 Plus CE or similar graphing calculator for coursework.

Final Thoughts on the Best Scientific Calculators in 2026

After testing all 10 calculators, the TI-36X Pro remains our top overall pick for its balance of features, exam approval, and value. For students on a budget, the TI-30XIIS and Casio fx-300ES Plus deliver outstanding performance at a fraction of the cost. Those who need graphing capability should look at the TI-84 Plus CE, while power users who want CAS and a modern interface will love the HP Prime G2.

The best scientific calculators are the ones that match your coursework, exam requirements, and budget. All 10 models we reviewed are proven performers with thousands of satisfied users. Pick the one that fits your situation, and you will have a reliable tool for years of math and science work.

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