Top 5 The Best Graphing Calculator Buyer's Guide 2021

Top 5 The Best Graphing Calculator Buyer's Guide 2021

best graphing calculator review
Images by the casio store via Amazon.com

You need a graphing calculator to effectively solve trigonometry, algebra, and statistics. A mini portable graphing calculator is also needed for solving engineering problems. When you are shopping for a graphing calculator, it is best to consider the course you're taking and check if the calculator has the commonly used functions in that course, test, or exam.

Today, we're going to review the top five Best Graphing Calculators available on the market. We made this list based on our team opinion, market research, and customer reviews. We've considered their quality, features, and values when narrowing down the best choices possible. 


So, here are the top five Best Graphing Calculators

5.The fifth product on our list is the HP G8X92AA LA Prime v2.

3 Customer ratings | See more details 

The HP G8X92AA LA Prime v2 Graphing Calculator is a powerful and sleek calculator with a full-color touch screen, making it ideal for surveyors, architects, and engineers. It has a ton of applications that make it competent enough to tackle several equations in Computer science, Trigonometry, Statistics, Geometry, Chemistry, and Physics. The Prime v2 weighs 1.5pounds, and it uses a rechargeable lithium battery. 

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This device is equipped with a 32megabytes mDDR and a 256megabytes flash memory. It 
features polar and parametric plotting, Differential Equation, Scatter plot Histogram, and Bar Plot. You can also find the area, slope, intersect, and extremum of an equation or use its varieties of conversions to get your work done.  

Its touch-screen allows you to zoom in for a better view, making this unit a strong contender among other graphing calculators in the market.

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Featuring two separate home screens, one of which is a standard mode while the other has an integrated computer algebra system. These modes operate independently from one another and can be quickly switched from one to another.

The HP LA Prime has an exam mode, which, when activated, disables various functions for a set time. However, most standardized testing sites prohibit this device.

Its pros are: 

  • Its multi-touch display offers you ease of use and more productivity,
  • It can graph nearly any type of equation; and
  • It handles complex numbers easily.

However, it cons:

  • It is difficult to navigate when using it for the first time.
Final thoughts - This is a great graph calculator that is revolutionary in its system and overall workings. It is suitable for those looking for a new calculator to set them on the best path toward mathematical success.

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4. In fourth place is the Texas Instruments TI-84

21800 Customer ratings | 413+ Answered questions

This device is one of the most popular graphing calculators on the market because undergrad students find it easy to use. It is durable and can last throughout your degree and even into your career.

It is equipped with preloaded apps, images, fourteen interactive zoom features, and various essential functions. These functions range from data collecting and inequality graphing to proper notation.

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This device's simplicity makes it ideal for beginners, while its wide range of functions makes it perfect for advanced users. TI-84 model has a High-resolution and full-color backlit display that allows you to easily distinguish between multiple graphics and enhance screen readability.  

It also adds grid lines to graphs, making them easy to read. The TI-84 comes with a rechargeable battery, which, if used regularly, works for an entire month with just a single charge.

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When not in use, it hibernates to preserve 
the battery life. This graphing calculator has been approved by standardized testing 
organizations for use on the PSAT, SAT, and ACT college entrance exams, as well as IB and AP tests.

It has a memory of 3.0megabyte ROM and 154K RAM. This model is lightweight, has a sleek design, and is available in various fun colors.

Its pros are: 

  • Users can upgrade the system,
  • It has split-screen functionality; and
  • It has long-lasting battery life.

However, the cons are,

  • It does not include MathPrint functionality; and
  • Its User manual is hard to follow. 
 Final thoughts - This graphing calculator has an intuitive interface that makes it easy to use by people who want to solve complex math problems quickly.

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3. The third product on our list is the CASIO PRIZM FX-CG50.

991 Customer ratings | 87+ Answered questions

The Casio Prizm FX-CG50 is an advanced color graphing calculator that is comparable to the TI-84 Plus CE. It has a natural textbook display and intuitive icon-based menu, making it easy to use and ideal for 
high school and college students, or even your personal use. Equipped with 3D graphing capability, you can graph a shape in less than 10 seconds and view it from 
several angles using the directional pad.  

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The graphing app on this model is simple, enabling you to graph up to 20 lines on a single graph. However, it only displays graph lines in about five different colors, but then, you can customize the line's style.  

This model features a color LCD with over 65,000 colors for a high-resolution display, a picture plot technology that enables you to learn from real-life images, built-in conic sections, and about 21 apps that dive fairly deep into whatever function it performs.

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Unlike its counterparts, Casio FX-CG50 uses four replaceable AAA batteries; hence, it is not lightweight or very sleek. Furthermore, 
it has a clear interface and is approved for AP, SAT I and II, PSAT, NMSQT, ACT Tests.

Its pros are: 

  • Users can view their graphs in real-time images,
  • It has a built-in spreadsheet application; and
  • It can solve complex number problems.

However, it cons:

  • Its functionalities are complex. 
Final thoughts - The CASIO PRIZM FX-CG50 is efficient in terms of operation, for use in regular math lessons and is suitable for individuals who want to connect their device to the calculator without any hassle.

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2. The second product on our list is the TI-Nspire CX II.

3386 Customer ratings | 119+ Answered questions

The TI-Nspire CX II has more advanced functions that enable you to take on more advanced things such as calculus. It is lightweight, with easy touchpad navigation and is ideal for engineering students and professionals.

This calculator is capable of performing several computations and entering expressions, equations, and formulas in proper math notation.

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It can also be used to write codes for a visual illustration of math, science, and STEM ideas. For most people, the computer algebraic system function of this calculator is the most exciting feature.

This allows it to perform symbolic math and give exact simplified answers. Apart from being easy to use, the processing speed of this calculator makes it user-friendly. 

The TI-Nspire CX II features a color screen and visual display that improves its user experience. Graphing on this model is straightforward and uses analysis to enable you to find minimums, maximums, and intersections.

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You can also see visual representations or integrals or calculate the area between curves. Also, you get to choose from its six different graphing styles, as well as 15 different colors to differentiate the look of your graph.

Since the graph is animated, you can point to objects or graph lines with an arrow key and use sliders to explain the graph. This model comes with a rechargeable battery that can last up to two weeks on a single charge.

Its pros are: 

  • CASIO PRIZM FX-CG50 offers a variety of programs and applications,
  • It has an incredibly durable build; and
  • Its screen provides a higher resolution.
However, it cons:
  • Its interface and technology are outdated. 
Final thoughts - This Casio offers fast processing speeds and is suitable for people who want a graphing calculator with a relatively easy-to-use interface that delivers enhanced graphing capabilities.

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1. Finally, our top Graphing Calculator is the TI Nspire CX CAS.

766 Customer ratings | 138+ Answered questions

This graphing calculator is perfect for students, engineers, and other professionals like architects. It comes with a backlit color display, a cursor and trackpad, a rechargeable battery, 100MB of RAM, and 64MB of Flash ROM.

The CX CAS offers various 3D functions with 
color code concepts in math and science. Featuring an algebraic computer system, you get the answer in the most simplified form.

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In addition to being an advanced calculator, the TI Nspire CX CAS has other features that aren't common with most graphing calculators. These features include apps for making spreadsheets, drafting shapes, analyzing and collecting data, and even games to keep you entertained, etc.

If you want a calculator that can do much of your Algebra 2 content for you, this may be your best bet. Like the TI-Nspire CX II, this model is also suitable for programming.

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However, programming on this calculator is tedious and can't be accessed on any screen or document; you must access it via the document you made it in. Alongside your math calculations, you can enter notes, steps, instructions, and other comments in this graphing calculator.

This calculator is permitted for use on SAT, PSAT, AP, and Praxis exams.

Its pros are: 

  • Its battery is rechargeable and durable,
  • It solves complex equations; and
  • It offers a lot of 3D functions. 

However, the cons are,

  • Its USB cord requires a USB hub; and
  • Users cannot choose between the radical or irrational method of receiving an answer. 
Final thoughts - The TI Nspire CX CAS is an intuitive device that offers its users a drag and drop feature where they can work on one window and see various aspects of the equation. It is suitable for mostly post-graduate students and engineers.

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