Best Graphing Calculator for Engineers

To facilitate learning, man has relied on various tools and various devices have been developed for this purpose. One of the most important of them all is the calculator. This ingenious tool has aided man in various fields of science, engineering, and business and is an indispensable tool for students and professionals at all levels.

From being crude tools for counting and simple calculations, calculators have evolved into versatile tools capable of handling and solving multiple complex calculations. In addition to improved functionality is an improved design that has made calculators sleeker and more durable.

Calculators have today become a must-have item for students at all levels. Of course, not all calculators fit all-purpose, for students in colleges and other higher institutions of learning, professionals, and lecturer, there are calculators specially designed to handle the complex calculations they need to solve. These powerful calculators come with enhanced capabilities and improved functions that allow them to solve complex problems more easily. The list below highlights the overall best graphing calculators for engineers.  You will notice that there are three top brands of calculators, which are manufactured by Texas Instruments, Casio, and HP.  Others brands exist in the market but aren’t as popular or highly rated as the ones mentioned.

We have carefully reviewed and hand-picked the leaders in the market.  Here are some calculators you should check out.

Texas Instruments Nspire CX CAS Graphing Calculator

The TI-Nspire is the perfect learning companion for every student. This smart calculator has the algebraic capability which makes it possible to solve equations symbolically. It can expand factor variables, find antiderivatives, complete the square, and can be used for calculating limits and computing exact solutions in irrational forms.

This unique calculation is a hands-on learning tool that makes Math both easy and fun for college and middle school students. It can be used to construct geometric figures and can also create animations and color code equations. It can be Summarize data and plot graphs can be used to enter notes among a long list of other interesting features.

  • Advanced graphing functionality
  • Backlit, color display
  • Rechargeable with a strong battery that lasts for up to two weeks in a single charge
  • Thin and lightweight
  • Might not be allowed in some standard exams

Texas Instruments TI-84 Plus CE Graphing Calculator, Black

This sleek calculator is uniquely designed for optimal performance for all calculations and science subjects. It comes in captivating color and backlit display which makes it easier to visualize equations and concepts and to make connections between data, graphs, and equations.

The TI-84 plus CE Graphing calculator can perform several complex algebraic operations as well as mathematical operations involving trigonometry, calculus, AP statistics and every other mathematical engineering and differential equations. It comes with preloaded apps and images which can be used to customize your learning process and extend the functionality of this smart calculator.

  • Lighter, thinner and sleeker design
  • Vibrant backlit color
  • Rechargeable battery
  • Preloaded apps
  • Math print functionality
  • Great battery, but gets weaker with use

Texas Instruments TI-84 Plus Graphics Calculator, Black

This multifunctional calculator comes preloaded with software like the Cabri Jr, BL/CBR, Conic Graphing, Inequality Graphing, and other interactive geometry software which gives it special graphing performance and functionality.  This calculator makes it absolutely easy to explore interactive geometry, inequality graphing and a long list of other data analysis and calculations.

It has up to ten different graphing functions which makes it possible to define, save and analyze multiple graphs all at the same time.  it also has advanced functions accessible through its pull-down display menu. It has both horizontal as well as vertical split screen functions and is powered by Powered by 4 powerful AAA batteries and a backup battery that helps to keep the RAM memory protected while the main battery charges.

  • impact-resistant protective slide case
  • I connectivity/USB cable
  • Free preloaded software Apps
  • Screen cover is not quite effective
  • The price is a bit on the high side

Casio fx-9860GII Graphing Calculator, Black

scientific calculator

The Casio fx-9860GII Graphing Calculator is an advanced function calculator that comes with a large-sized screen and high resolution that delivers a crisp and clear display of all your calculations, data, and graphs. It also has a backlight that can be turned on to improve visibility in dark conditions.

This powerful calculator comes preloaded with 15 icon menus and geometric applications that give it added functionality. It also has a high-speed processing unit which makes it faster than other conventional models. It comes with USB connectivity functionality that makes unit-to unit or PC to unit connectivity possible and is intuitively designed for a better understanding of basic mathematical concepts.

  • Easy to use, Icon-Based Menu System
  • Dynamic Graphing
  • Dual Graph & Table Display
  • Natural Input and output of Inequality graphs
  • Natural Display allows entry and output of mathematics just like in a textbook
  • Built-in spreadsheet application
  • In-Depth Conics application
  • Certain functions and formulas might be hard to learn

Casio FX-CG10 PRIZM Color Graphing Calculator (Black)

casio graphing calc

Another best graphing calculator for engineers is this strong functional calculator from Casio which comes with a unique full-color LCD screen with more than 65,000 brilliant colors on a large screen with a very high resolution. This not only gives it a crisp and colorful display of equations but also allows you to Color-Link and format graphs, charts and spreadsheets over pictures of real-life scenes which makes it easier to understand otherwise complex maths functions.

It comes preloaded with all the powerful functionality that you need for your school work on an easy to use and totally intuitive interface. High-speed CPU makes accelerated and faster processing possible even for lengthy and complex calculations. It also has Natural inputs and output capabilities which comes in handy when working with inequality graphs and Natural display which makes it easy to enter and displays mathematics just like a textbook.

  • permitted for use on the PSAT/NMSQT, SAT and ACT college entrance exams and AP tests.
  • USB connectivity
  • 140 hours of battery life (AAA x 4)
  • Built-in spreadsheet application
  • In-Depth Conics application
  • Not a sleek design, you might find it a bit bulky
  • Not rechargeable

HP Prime Graphing Calculator

hp prime calculator

This slim and sleek graphing calculator brings a new and fun edge to mathematical and engineering calculations. This powerful multi-functional tool comes with a large 3.5-inch diagonal; a multi-touch display that allows you to work in a blended learning environment with an image as your background all on a colorful gesture-based, pinch-to-zoom interface

The HP prime is an advanced tool that makes it easy to explore mathematical concepts like dynamic geometry, CAS, Advanced Graphing and spreadsheet applications of all kinds. With this calculator, you can easily switch between numbers, symbols and graphical functions with simple dedicated button

  • Function sketching,
  • Multiple math representations,
  • Wireless connectivity
  • Rechargeable battery
  • Unit management and conversion is clumsy particularly in RPN
  • No Undo key
  • Costly


While this list is by no means an exhaustive list of top quality of the best graphing calculators for engineers you can find out there, the calculators featured here are still some of the best you can purchase especially if you will be doing some heavy calculations and graphing.

However, you should bear in mind that some of these highly functional programmable calculators are not allowed in certain exams, thus it will do you a lot of good if you can confirm first before purchasing especially if you are preparing for standardized tests like SAT, ACT, AP etc. to make sure that your preferred choice is allowed for the exam.  But if you are looking for a calculator whether it’s for personal study or school work or as a lecturer or professional engineer, then we highly recommend the  Texas Instruments Nspire CX CAS graphing calculator as the overall best graphing calculator for engineers to buy.

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