The 7 Best Graphing Calculators

REVIEWED AND RANKED IN CHESHIRE (UK) MAY 2018

We looked into 62 different models, tested only 16 and ended up reviewing 7 of the best graphing calculators. In addition to doing our own research, we also interviewed teachers and read unbiased user reviews. Three brands stood out - Texas Instruments, HP and Casio.


Whether you’re a student, a teacher, or an exam taker, you will never go wrong with the TI-Nspire CX. It has the most innovative features and was approved by all international standard tests. However, our other picks may be best suited for you when you consider your budget and your purpose for buying.

See our comparison table below and find our in-depth reviews further down:

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Products Comparison

  • Core Detail
  • Technical Details
  • Pricing and Shipping
 Texas Instruments TI-Nspire CX Graphing Calculator
94%
£128.99
read more
 FX-CG10 PRIZM Color Graphing Calculator Reviews
94%
£134.73
read more
 Hewlett Packard HP50G Graphing Calculator Reviews
92%
£139.95
read more
 Texas Instruments TI Nspire CX CAS Calculator
96%
£138.00
read more
 Hewlett-Packard HP Prime Graphing Calculator
86%
£124.90
read more
 Texas Instruments TI 84 Plus CE Calculator Reviews
86%
£125.95
read more
 Casio Graphics Calculator FX-9750GII Reviews
80%
£53.00
read more
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Texas Instruments TI-Nspire CX Graphing Calculator Top rated
FX-CG10 PRIZM Color Graphing Calculator Reviews
Hewlett Packard HP50G Graphing Calculator Reviews
Texas Instruments TI Nspire CX CAS Calculator
Hewlett-Packard HP Prime Graphing Calculator
Texas Instruments TI 84 Plus CE Calculator Reviews
Casio Graphics Calculator FX-9750GII Reviews Lowest price
Product Title With built-in CAS? Approved Tests Battery What we liked What we didn't like Manufacturer

Texas Instruments TI-Nspire CX Graphing Calculator

94%

No

SAT, AP, ACT, IB

Rechargeable

Texas Instruments

FX-CG10 PRIZM Color Graphing Calculator Reviews

94%

No

SAT, AP, ACT, IB,

Alkaline / Rechargeable nickel-metal hydride

Casio

Hewlett Packard HP50G Graphing Calculator Reviews

92%

Yes

SAT, AP

1.5 volt AAA

HP

Texas Instruments TI Nspire CX CAS Calculator

96%

Yes

SAT, AP

Rechargeable

Texas Instruments

Hewlett-Packard HP Prime Graphing Calculator

86%

Yes

SAT, AP, IB

Rechargeable

Hewlett Packard

Texas Instruments TI 84 Plus CE Calculator Reviews

86%

Yes

SAT, AP

Rechargeable

Texas Instruments

Casio Graphics Calculator FX-9750GII Reviews

80%

No

SAT, AP, ACT, IB

4 AAA

Casio

x
£179.98 more
£199.98 more
£149.95 more
£149.95 more
£126.84 more
£125.95 more
£68.3 more
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Product Reviews

1

Casio FX-CG10 PRIZM Color Graphing Calculator Reviews

94%

This all-purpose calculator has been around since 2011 and was considered by Casio as the first true competition of TI-Nspire. Who wouldn’t think twice after seeing this calculator’s sleek and modern design? If not for the signs and symbols, people might just mistake it as a phone instead of a calculator. This is clearly the best Casio graphing calculator to date.


But looks aren’t the only cool thing about this calculator. The inside is way more outstanding than what you see on the outside. Aside from preloaded apps, the calculator also offers spreadsheets, Dynamic Graphing, conic graphs, financial math, unit conversion and many other features. It also has a mini-USB port that allows you to connect it to the computer to download additional apps or install the latest OS update.


It also has a “Picture Plot” feature which allows you to use its preloaded images or import one of your own image files. This was first of its kind when it was introduced, and Casio has made some remarkable improvements since then.


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£199.98 from Amazon

*At the time of publishing the price was £130.91

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2

Texas Instruments Texas Instruments TI-Nspire CX Graphing Calculator

94%

Texas Instruments is best known for quality and the TI-Nspire series is proof that their technology just keeps getting better and better. The TI-Nspire CX model offers a wide range of innovative features and has been integrated in various teaching strategies. It is the best TI Calculator for those who are dealing with advanced mathematics and scientific courses. One of the features we love most is its ability to import digital images, allowing students to make real-world connections instead of viewing math as a subject confined to the classroom.


Many teachers refer to this as their favorite tool for teaching which is one of the reasons why we consider this to be the best calculator for calculus. This model, however, does not offer CAS functions. If you need a CAS graphing calculator, then the TI-Nspire CX CAS may be more suitable for you.

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£179.98 from Amazon

*At the time of publishing the price was £128.99

Of
3

HP Hewlett Packard HP50G Graphing Calculator Reviews

92%

The HP 50G is the budget-friendly alternative to the TI-89 Titanium. It offers the same features as the TI-89 in terms of screen resolution and 3D graphing. The device has a built-in Computer Algebra System (CAS) and is one of HP’s more advanced calculators. It is best used by students in calculus and other advanced math and scientific subjects.


Like most CAS calculators, the HP 50G is not allowed in some standardized tests.


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£149.95 from Amazon

*At the time of publishing the price was £139.95

4

Texas Instruments Texas Instruments TI Nspire CX CAS Calculator

96%

When it comes to engineering, your TI-84 and Casio Prizm just won’t make the cut since problems are more complex and requires manipulation of mathematical expressions. For these types of problems, you’re going to need a calculator with a Computer Algebra System (CAS). It is typically used in AP solving, advanced mathematics and engineering subjects. We think it is the best engineering calculator out there.


It now has 3D graphing features and an impressive coloured screen display. Ever since the TI-Nspire 3.2 release in 2012, the TI-Nspire CX CAS now has the additional capability to graph equations in “x=” form. It can also graph conic sections and solve for their points of interest. According to teachers, the TI-Nspire CAS series has dynamic capabilities that are unmatched by other calculators.


With regards to tests, however, some organizations like the ACT do not allow CAS calculators so its best to keep this in mind before purchasing.


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£149.95 from Amazon

*At the time of publishing the price was £138.21

5

HP Hewlett-Packard HP Prime Graphing Calculator

86%

If you’re looking for a calculator with the best value for money, we highly recommend the HP Prime Graphing Calculator. Don’t be fooled by its competitive price range, this calculator is as versatile and as accurate as those from high cost brands. The hardware alone is impressive. It’s a thin, durable calculator with a metallic plate at the bottom. You can recharge its batteries using a mini-USB cable.


But the thing that gets most people curious is HP Prime’s touch interface, a key feature that sets it apart from Texas Instruments and Casio. The touch screen makes navigating with drop down menus so much easier and selecting cells on a spreadsheet is much quicker. It also offers advanced graphing features that most graphing calculators don’t have.


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£126.84 from Amazon

*At the time of publishing the price was £129.99

6

Texas Instruments Texas Instruments TI 84 Plus CE Calculator

86%

The TI-84 series is known for being Texas Instrument’s best-selling graphing calculator series of all time. This version is an upgrade of the TI-84 Plus C introduced in 2015.


This all-purpose graphing calculator has a coloured screen display, enhanced memory capacity, and a “deep sleep” mode which allows it to hibernate if unused for several days. Most teachers recommend this for most Mathematics subjects which is why we believe this to be the best calculator for college. It is one of the few graphing calculators approved by many international testing organizations.

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7

Casio Casio Graphics Calculator FX-9750GII Reviews

80%

Here’s a calculator that can handle most equations without you having to spend a fortune. The Casio fx-9750GII offers a generous operating memory, USB connectivity, and AP features, enough to make a basic college student toolkit.


It’s user-oriented hardware design is one of its surprisingly good features, enabling students to solve quickly and efficiently. While there are a lot of things this graphing calculator can’t do, a lot of students will find that this is all they will ever need.


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£68.3 from Amazon

*At the time of publishing the price was £53.00

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last update July 26th 2018

We want our reviews to be the most up to date on the web. The most recent update to this page on July 26th 2018

One more review

Side By Side Comparison

  • by Texas Instruments

    Texas Instruments TI-Nspire CX Graphing Calculator

    Texas Instruments TI-Nspire CX Graphing Calculator

    check pricing
  • by HP

    Hewlett Packard HP50G Graphing Calculator Reviews

    Hewlett Packard HP50G Graphing Calculator Reviews

    check pricing
  • by Texas Instruments

    Texas Instruments TI Nspire CX CAS Calculator

    Texas Instruments TI Nspire CX CAS Calculator

    check pricing
  • by HP

    Hewlett-Packard HP Prime Graphing Calculator

    Hewlett-Packard HP Prime Graphing Calculator

    check pricing
  • by Texas Instruments

    Texas Instruments TI 84 Plus CE Calculator Reviews

    Texas Instruments TI 84 Plus CE Calculator Reviews

    check pricing
  • by Casio

    Casio Graphics Calculator FX-9750GII Reviews

    Casio Graphics Calculator FX-9750GII Reviews

    check pricing
  • by Casio

    FX-CG10 PRIZM Color Graphing Calculator Reviews

    FX-CG10 PRIZM Color Graphing Calculator Reviews

    check pricing

Frequently Asked Question

What is a Graphing Calculator?

A graphing calculator is a device with all the functions of an average scientific calculator but in addition, it can also plot graphs and do advanced mathematical analysis. It is often used in higher mathematics to get a visual approach in learning disciplines such as algebra, calculus and trigonometry.


In addition to graphing equations, the graphing calculator can also make function tables, solve matrices, and many of them can perform statistical analysis and even do advanced calculus.


What are the advantages and disadvantages of a Graphing Calculator?

Using a graphing calculator has a lot of advantages. Even without knowledge or insight in mathematics, one can mechanically get the solution for almost any type of equation (even the complex ones). It minimizes the inaccuracies of human error and it also helps us verify our solutions. One of its key features, which is where it got its name, is its ability to create graphs derived from functions and equations. This includes parabolas and hyperbolas.


However, the graphing calculator is not without its disadvantages. Graphing calculators are more expensive than most scientific calculators which discourages many students and parents from purchasing one. In addition, people find that students can become more dependent when using advanced calculators. Graphing calculators should be used to assist in calculation and not do all the math work for you.


What should I look for when choosing a Graphing Calculator?

When choosing a graphing calculator, always consider what you are going to use it for. Are you going to use it for an exam? Are you only after its graphing function or are you more concerned about its ability to solve equations and formulas?


Another common question is whether to get a graphing calculator with rechargeable batteries or one with alkaline batteries. Those who use graphing calculators for exams usually choose alkaline batteries. Other things to consider includes the device’s memory capacity as well as its compatibility with other devices.


Once you’ve established your purpose for purchasing, you now want to consider what type of graphing calculator is best suited for your needs. There are two specific types of graphing calculators. First, you have the Computer Algebra System (CAS). The CAS allows you to solve for variables such as expressions in ‘x=’ form. This is best for students and scientists who are taking up advanced mathematics and utilize a lot of symbolic expressions. Then, you have the non-CAS graphing calculators which allows you to solve numerical equations in addition to graphing these expressions.


Depending on the need, purchase the graphing calculator with the features that work best to your advantage.


What’s the approximate price range for a good Graphing Calculator?

A quality graphing calculator can range from £50 to £150. Prices may vary according to the brand and the type of technology. Texas Instruments models are known to cost more than HP and Casio. Also, the more advanced your model, the higher its price is going to be.

What is the best calculator for calculus?

Most graphing calculators allow you to solve calculus equations such as arithmetic calculations, defining and evaluating functions, graphing functions, finding derivatives of a function, and many other solutions.


If you are going to take the AP Calculus exam, you might want to check whether your calculator is in the list of approved graphing calculators.


We believe that for this purpose, the TI-Nspire CX wins as the best calculator for calculus while TI-89 Titanium and HP Prime are close seconds.

What does a graphing calculator look like?

Graphing calculators look just like a scientific calculator only with a much bigger screen. They are small and can typically fit into the palm of a highschool student. It weighs around 4 ounces and can be attached to other devices such as pH gauges, weather instruments, while some even have WiFi capabilities.


What is the TI 84 calculator?

The TI-84 is a graphing calculator made by Texas Instruments. It was released in early 2004 as an upgrade to the TI-83. It is the most popular TI series model in the world.


The calculator is recommended for those taking up Pre-Algebra, Algebra 1 and 2, Trigonometry, Geometry, Calculus, Statistics, Chemistry and Physics.


The TI-84 does everything that the TI-83 does, but with a few additional features. It comes with 12 preloaded apps, a faster CPU (2.5 times faster), a larger archive (ROM) with 480 KB Flash ROM, a USB port, and a built-in clock functionality.


This is typically used by students who are enrolled in core mathematics subjects but are not focused in advanced math and sciences. If you are an engineering student, this probably is not the best choice for you.



What is the best TI 84 calculator available in the UK?

We suggest the TI-84 plus graphing calculator. This model is fully approved for all UK public exams that prohibits CAS functions. It is also the best selling TI 84 graphing calculator in Amazon UK. Not sure if this is the right one for you? Check out our review above to see a more detailed description of this product.


What is the TI 83 calculator?

The TI-83 is a more basic model than TI-84. It displays graphs, equations and coordinates simultaneously on a split screen. It has storage and analysis of up to 10 functions.

What is the best TI 83 calculator available in the UK?

If you are looking for a graphing calculator with basic functions, we suggest this TI-83 Plus Blue Graphing Calculator sold by Calcuso.


What is the TI-89 calculator?

The TI-89 is a graphing calculator with built-in CAS functions. It is highly recommended for problem solving in AP, higher mathematical equations, and engineering. It allows you to manipulate mathematical expressions into symbolic form.


It uses Pretty Print technology which displays solutions as they appear in textbooks. This model is one of the best calculators for calculus. The TI-89 also includes a USB cable for computer connectivity.


What is the best TI 89 calculator available in the UK?

If you are planning on investing in a TI 89 calculator, then we suggest you get the TI 89 Titanium. It has advanced features and comes with 3D-graphing which makes complicated mathematical expressions much easier to visualize.


Among its key features include 16 preloaded apps including EE*Pro®, CellSheet™ and NoteFolio™. It also has a built-in USB port with cable.


What is a TI 80 graphing calculator?

The TI-80 is a graphing calculator made by Texas Instruments. It followed the TI-81 model and removed some mathematical and basic functions. This calculator has the smallest screen and the slowest processor of any TI graphing calculator. It can graph up to four functions at one time, analyse up to six parametric equations, and perform statistical analyses for one to two variables with up to 99 data points. It was released with Precalculus and Algebra students in mind. The TI-80 has no link port and is not intended for serious programming.


It is permitted for use on SAT, ACT, PSAT and AP exams but we do not recommend using it for AP exams because of its limited functionality.


What is the best TI 80 calculator available in the UK?

After later versions were released, there was a decrease in the demand and supply of TI-80 calculators. But there are still some people who prefer the basic simplicity of the TI-80. If you are one of them, then check out our review for the TI-80 graphing calculator above.


Is it worth investing in a Texas Instruments scientific calculator?

We believe that investing in a graphing calculator is not only a technological investment, it is also an investment for every student’s future. It is programmable and can thus be used in all school levels, even in the workplace.


In a meta-analysis of 54 studies, experimental and quasi-experimental research revealed that students using graphing calculators reported to have a better attitude towards math than those who did not. (SRI International, 2007)


Another study from Sycaruse University also noted that teachers who encouraged their students to use graphing calculators incorporated more student exploration in their pedagogical approaches.


If you consider these factors, then we could say that investing in a TI scientific calculator is worth more than its cost. But other factors such as choosing the right calculator model will also determine whether or not you will be satisfied by your purchase or not. See this TI Calculator Comparison from the Texas Instruments website if you need help choosing the best TI model.


What’s the best Casio graphing calculator?

Casio offers a lot of high-quality graphing calculator options out there that it seems almost impossible to choose just one. But after careful deliberation of their products, we have found the Casio Prizm to be the clear choice. It is not just the best Casio graphing calculator, in our opinion, but it is one of the best high-quality graphing calculators. See our review above to learn more about the product.


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