Best Scientific Calculators for Engineers & Students in 2023

In the ever-evolving world of science, engineering, and mathematics, the right tools can make all the difference in solving complex problems quickly and accurately.

Scientific calculators are indispensable instruments that can handle a wide range of calculations, from basic arithmetic to advanced functions like logarithms, trigonometry, and matrix operations.

With a plethora of options available, it’s crucial to choose the best scientific calculator that meets your specific needs and preferences. When selecting the perfect scientific calculator, consider the following top 3 factors:

Functionality: The most important aspect of a scientific calculator is the range of functions it offers. Make sure to choose a calculator that supports all the necessary operations and functions required for your coursework, profession, or personal use. Some calculators come with built-in features like unit conversion, statistical analysis, and programming capabilities, so carefully evaluate your needs before making a decision.

Ease of Use: A user-friendly interface is essential for efficient problem-solving. Look for calculators with a well-organized keypad, intuitive menu navigation, and a clear display that is easy to read in different lighting conditions. Additionally, consider the calculator’s size and weight to ensure it fits comfortably in your hand and is portable for on-the-go use.

Durability and Battery Life: A reliable scientific calculator should be sturdy and durable, with a long-lasting battery life. Opt for models with a robust build, preferably with a protective case to prevent damage from accidental drops. Moreover, calculators with solar power or dual power sources can save you from the hassle of frequently replacing batteries and ensure uninterrupted use during important exams or projects.

Now that you have a clear understanding of the critical factors to consider when choosing a scientific calculator, it’s time to explore our curated listicle, featuring top recommendations to suit a variety of needs and budgets.

With our buying guide, you can confidently select the best scientific calculator to enhance your problem-solving capabilities and excel in your field.

Best Scientific Calculators

Best scientific calculator

Here is the list of the 6 best scientific calculators to help you find the right one for your needs.

1. Casio FX-991EX Engineering/Scientific Calculator (Best Overall)

Casio FX-991EX Engineering/Scientific Calculator, Black, 3" x 6.5" x...
  • High-resolution LCD shows more of your work to...
  • Advanced calculations let you quickly work through...

The calculator has excellent reviews and is highly rated, and for the right reasons.

The product is priced in the $20 range and is at par with the other standard Casio Scientific calculators with the same features, in the market.

The sleek design of the calculator makes it easy to carry in backpacks, as well as laptop bags. The high-resolution display helps in displaying more numbers and amounts of information with high accuracy. The rapid delivery of solutions to problems of the calculator is another feature.

The ease with which advanced calculations involving calculus, integration as well as other vector and inequality calculations are done, is quite impressive.

Due to the very high resolution of the LCD, more detailed information like spreadsheets, matrix calculations, ratios, statistics, and other simple to complex functions can be performed.

Another cool feature of the calculator is that it can also help in getting a graphical representation of data by scanning a QR code for data. This engineering calculator has a very natural, textbook display, making it user-friendly. Powered by solar power and battery backup, the calculator has had power for a very long time.

This calculator is perfect, lightweight, durable, and highly suggested for high school as well as college students.

2. Casio fx-300MS Scientific Calculator

One of the finest and cheapest scientific calculators by Casio, this particular model is ancient and is still very widely used. It may lack a few complex functions, but it is one of the best and most affordable scientific calculators for students and professionals.

For starters, the calculator has a 2-line display and around 240 functions. It is equipped with nine variable memories and like other types of scientific calculators come with a slide-on case. It is again very compact and lightweight.

The 2-line display facilitates complex calculations, algebra, calculus, and 18 other types of parentheses. The functioning is so simple that it could be used effortlessly in any professional or educational setting as well as for household and daily purposes. From trigonometry to fractions and permutation combinations and so on, this calculator can do it all.

It has around 229 built-in formulas saved, thus making problem-solving easier and faster. It is powered by batteries and is replaceable. It also has a backup battery.

And all this at an incredibly affordable rate of $8.93!

3. Casio fx-115ES PLUS Engineering/Scientific Calculator

FX-115ESPLUS Casio FX115ESPLUS Scientific Calculator Black 1-Pack 1
  • Perfect choice for high school and college...
  • Natural Textbook Display is highly visible

Priced at $16, this model has over 280 functions, from basic to complex.

This too has a natural textbook display and the feature of step-by-step backtracking. This engineering scientific calculator also consists of 40 metric conversions, matrix and vector calculations, etc.

Functions like fractions, calculus, trigonometry, algebra, linear regression, polar-rectangular conversion, etc. can be performed.

Math, physics as well as chemistry problems could be solved with the aid of this calculator.

The versatility of the calculator makes it a perfect choice for college as well as high school students. It also is permitted to be used for various college entrance exams, for example, SAT, ACT, etc.

It runs on one Lithium-ion battery so that it can be changed at any time.

Overall, an affordable and lightweight calculator, the Fx-115ES PLUS I is a smart buy.

4. Texas Instruments TI-36X Pro Engineering/Scientific Calculator

Texas Instruments TI-36X Pro Scientific Calculator
  • Texas Instruments 36PRO/TBL/1L1/A TI-36X Pro...

Often many educational institutes, as well as examinations, don’t permit graphing technology and scientific calculators. The TI-36X Pro solves all such problems.

Priced at an affordable $22.83, this calculator has some great features. This Texas Instruments calculator has a multi-view display and can show multiple calculations at the same time.

It has a textbook view, like most scientific calculators. This makes it ideal for most educational settings and FE/PE engineering examinations.

This calculator can easily help in the conversion of fractions, decimals, etc. into other representations and also can be used to select radians/degrees, and floating/fix number format modes.

The TI-36X Pro helps in solving equations with 2-3 variables without matrix functions and also helps to solve quadratic equations.

It runs on batteries and can be replaced. It is compact and lightweight.

All in all, it is a recommendable scientific calculator for educational settings.

5. Texas Instruments Nspire CX CAS Graphing Calculator

Texas Instruments Nspire CX CAS Graphing Calculator
  • Ideal for Pre-Algebra, Algebra 1 & 2,...
  • Full-color screen with backlit display.

With a whopping cost of $154.95, the TI Nspire CX CAS calculator is a great invention. It has one of the sleekest designs and is a great graphing calculator.

It has a rechargeable battery that can last up to 2 weeks straight with normal usage.

This graphing calculator helps in an overlay, color coding equations, points, objects, and lines on the backlit display. It does so on digital images or own photos.

It has quite a large screen size of 320×420 pixels and is moderately light too. It comes with a oneyear guarantee.

This model not only can solve basic to complex mathematical and scientific problems but also find anti-derivatives, find exact solutions in irrational forms, etc. The use of graphs, sliders, animating points on objects, animations, and graphic hypotheses, makes it so unique.

One could even save notes while solving problems on the screen, making it very handy. Graphical methods, like plots, histograms, etc. are also used with ease on this calculator.

Getting used to the vast functions of the calculator may be a little complex, but it is one of the best graphing calculators out there.

6. Casio fx-260 SOLAR Scientific Calculator

Casio FX 260 Solar II Scientific Calculator, Black
  • All purpose scientific calculator offers fraction...
  • Hard Slide Case

Priced at $17.90, this affordable yet handy scientific calculator has some cool features.

It is all-purpose, like most calculators, ranging from basic fraction, and trigonometry calculations to fixed decimal capabilities, square and cube roots, logarithms, scientific notations, etc.

It is powered by batteries and is replaceable. It has a ten-digit x Two-line LCD.

It can be used in most examinations, like the ACT, SAT, AP, etc.

It is a great buy as a basic scientific calculator and is affordable, durable, and lightweight.

Scientific calculator

Buying Guide For The Best Scientific Calculator

Scientific calculators are essential tools for students, engineers, and scientists, helping them solve complex mathematical problems quickly and accurately. In this buying guide, we will discuss the important factors to consider when looking for the best scientific calculator for your needs.

We will also provide a helpful tips section to assist you in making an informed decision.

1. Purpose and Functionality

The first thing to consider is your specific needs and the calculator’s functionality. Different calculators cater to different subjects and purposes:

  • Basic scientific calculators: Suitable for high school students or those who require only basic scientific functions.
  • Advanced scientific calculators: Suitable for college students and professionals in fields like engineering, physics, and other advanced disciplines.

2. Brand Reputation and Durability

Choose a calculator from a reputable brand that is known for producing high-quality, durable devices. Some popular brands include Texas Instruments, Casio, Hewlett-Packard (HP), and Sharp.

3. Display

The display is a critical aspect of any scientific calculator. Consider the following factors:

  • Screen size: Choose a screen that is large enough to display multiple lines of calculations and results.
  • Resolution: Higher resolution screens provide better visibility and readability.
  • Backlight: A backlit display improves visibility in low-light conditions.

4. Number of Functions

Different calculators come with varying numbers of built-in functions. Ensure that the calculator you choose has all the necessary functions for your course or profession.

For instance, a calculator with a built-in computer algebra system (CAS) can be beneficial for advanced mathematics, while engineering students may require calculators with matrix and vector operations.

5. Ease of Use

Consider a calculator with an intuitive user interface and well-organized buttons. A calculator that is easy to navigate will save you time and reduce the chances of making errors in your calculations.

6. Battery Life

Choose a calculator with a long battery life. Some calculators have solar panels to extend battery life or offer a combination of solar and battery power.

7. Connectivity

Some advanced calculators offer connectivity options, such as USB ports, allowing you to connect your calculator to a computer for data transfer, software updates, or programming.

8. Price

Scientific calculators come in a range of prices, depending on their features and capabilities. Set a budget and choose a calculator that provides the best value for your needs.

Additional Tips

1. Consult your course syllabus, instructor, or colleagues to determine which calculator functions are necessary for your studies or profession.

2. Read online reviews and compare user experiences to help you make a well-informed decision.

3. Check if the calculator is approved for use during standardized tests like the SAT, ACT, or AP exams if you plan to use it for these purposes.

4. Consider purchasing a protective case to prolong your calculator’s life and protect it from damage.


Selecting the best scientific calculator depends on your individual needs, preferences, and budget. Keep the factors discussed in this buying guide in mind when making your decision, and you will be well on your way to finding the perfect scientific calculator to support your studies or career.

Frequently Asked Questions When You Buy Scientific Calculators

Which model would be the best for solving complex problems at an affordable price?

There are various models available in the market that can solve complex problems at an affordable price, such as the Casio fx-991EX or the Texas Instruments TI-36X Pro.

Which scientific calculator with graphing capabilities is considered the best?

The best scientific calculator with graphing capabilities is a matter of personal preference but we believe the Texas Instruments Nspire CX CAS Graphing Calculator is the best one..

What are some typical applications of an advanced scientific calculator?

Advanced scientific calculators are typically used in engineering, mathematics, physics, and other sciences to perform complex calculations, graphing, and statistical analysis. They may also be used in standardized testing, such as the SAT or ACT.

What is the difference between C and CE buttons on a calculator?

The “C” button on a calculator stands for “Clear,” which clears the display and any stored calculations. The “CE” button stands for “Clear Entry,” which clears only the last entered number or calculation.

Best scientific calculator for engineering students 1


From the above 6 best scientific calculators, here are the top three expert recommendations:

Casio FX-991EX Engineering/Scientific Calculator is an ideal option for those who are looking for a high-performance, user-friendly calculator with a wide range of functions. It is perfect for high school and college students, thanks to its high-resolution display, advanced calculation capabilities, and graphical representation of data through QR code scanning.

Casio fx-300MS Scientific Calculator is a good option for those who want a reliable, affordable, and versatile calculator that covers basic to moderately complex functions. It is an excellent choice for students and professionals who need a compact, lightweight calculator with a 2-line display and around 240 functions.

Texas Instruments TI-36X Pro Engineering/Scientific Calculator is the right choice for individuals who require a calculator that is allowed in various educational settings and examinations, including FE/PE engineering exams. With its multi-view display, textbook view, and ability to solve quadratic equations and convert fractions and decimals, it is a highly recommendable scientific calculator.

We genuinely appreciate your time and interest in our recommendations. We are eager to hear your thoughts and insights on our selections. Did our list resonate with your preferences, or would you like us to consider adding or removing any items?

Do you have any questions or concerns for us? Please don’t hesitate to share your opinions in the comments section below.

Our dedicated team is always here to listen and respond to your feedback as promptly as possible. Your satisfaction and understanding are our top priorities, and we truly value your perspective.

Related Articles

13 Best Graphing Calculators to Enjoy Today

13 Best Financial Calculators

15 thoughts on “Best Scientific Calculators for Engineers & Students in 2023”

  1. As a science oriented person I only purchase scientific calculator and as you have rightly stated one need to check out each features to ascertain the best fit for one.I have always go for Casio calculators and there are quite good.

  2. Casio and ti are the best scientific calculator brands. But I’ve been using casio fx-115es plus since I started engineering school and it’s complete with all necessary functions

  3. I’m glad I come across this article because I need to replace my scientific calculator. These are great choices. Thanks for sharing!

  4. Scientific calculators are necessary if you are attending any technical college. They come in handy when working too.

  5. I remember having Casio fx-300MS Scientific Calculator during my high school days. It was very helpful for me at that time. I can’t believe they are still selling this model. Anyway, looking at the list above, I would like to buy Casio fx-115ES PLUS Engineering/Scientific Calculator. It has good features and sleek design. Moreover, it is allowed during exams which is useful for test takers.

  6. While in College, I used to have a Casio scientific calculator. They are very good for scientific work. I recommend them. Thanks for bringing them out in this post.

  7. High brand set of calculators especially for those in the sciences like the Engineers.I know about Casio calculators it has always been the outstanding brand in terms of scientific calculators.It a highly recommended brand.

  8. For me, Casio always has the best calculators. I am an aspiring engineer and this article just helped me a lot in choosing which calculator should I buy for myself.

  9. My best friend is taking an Engineering course in College, and what a coincidence! She’s looking for a calculator right now. I appreciate your post so much 🙂 Thanks for the recommendation!

  10. Casio is always been my trusted brand when it comes to calculators. I used fx-300MS back in college and it’s the best. It’s afordable and suits your need as long as you know how to modify the functions.

  11. Do we even calculators right now? Since computers are everywhere??? I guess that will depend on the subject matter at hand. I do not mind buying one of these though.

  12. For me any calculator will do as long it can perform all the things that I need to do with. Scientific calculator is very expensive that’s why you have to know the right calculator for you.

  13. there are awesome calculators out there but are they productive like Casio fx-300MS Scientific Calculator? personally i have used the Casio fx-300MS Scientific Calculator when i was in college and high school as well. the calculator did its job right and the battery life is excellent. since i bought it i changed the battery for the first time when i was about to complete my college studies.

  14. i think this will be especially useful for college students who deal with lots of computing. I’ve had my experience with Texas Instruments, and they were alright. Will try out Casio calculators soon tho.

Leave a Comment