The Computer Algebra System in Casio FX-CG500 Vs TI Nspire CX CAS is helpful to ease the tedious work that can be too much to do by hand. These graphing calculators are perfect for students and professionals who need the functions. Both calculators share many similarities and differences, so today, we will see what the two can offer and which seems to fit you best.

In this comparison, we will talk about:

  • What is Graphing Calculator
  • What are Casio FX-CG500 and TI Nspire CX CAS
  • How is the Design of Casio FX-CG500 and TI Nspire CX CAS
  • How is the Display in Casio FX-CG500 and TI Nspire CX CAS
  • How is the Interface of Casio FX-CG500 and TI Nspire CX CAS
  • How is the CAS in Casio FX-CG500 and TI Nspire CX CAS
  • How is the Graphing Function in Casio FX-CG500 and TI Nspire CX CAS
  • How is the Programming in Casio FX-CG500 and TI Nspire CX CAS
  • What are the Apps in Casio FX-CG500 and TI Nspire CX CAS
  • Casio FX-CG500 Vs TI Nspire CX CAS

Graphing Calculator

Graphing calculators are a prevalent device many students will need for their studies. The calculator is powerful and more complicated than typical financial calculators. The device has a bigger screen to display the plotted graphs for complex equations like parabolas and other plotted results. Graphing processors have more sophisticated processing capabilities to perform more complex types of calculations. The device has been around since early 1980, replacing the calculators with more or less numerical functions. Read also: Casio FX-9860GII VS TI-84 Plus CE.

In the early days, calculators and adding machines had numeric keypads and buttons to work on the functions like addition, subtraction, multiplication, and division. People only used these calculators for working with whole numbers and fractions. The graphing calculators then add other items like sine, cosine, and tangent with a bigger screen to display the plotted equations on a graph. This device then becomes common for high-level mathematics courses to help students visually learn mathematical disciplines such as algebra, calculus, and trigonometry.

Casio FX-CG500TI Nspire CX CAS
Product Dimensions11.14 x 7.21 x 2.13 inches
‎7.28 x 0.59 x 3.15 inches
Shipping Weight18.4 ounces
‎15.2 ounces
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About Casio FX-CG500 and TI Nspire CX CAS

Graphing calculators are necessary for high school and eventually college students. Not only for the students who need them for the math classes like algebra, calculus, and geometry but the device is also required in standard testing. Students who will take the SAT and ACT to enter college will need a calculator while sitting and doing the exam. While many schools allow students to borrow the calculator during class, it is always better to have your calculator to practice at home and achieve better scores.

You can find graphing calculators from many brands, most are similar but not identical. You can choose one from a well-known brand or go with the teacher’s recommendation. Brands like Casio and Texas Instruments are some of the best and safest options to consider because their graphing calculators are widely used. The more popular the calculator model, the easier it is to find the resources because not every model offers the same capabilities. The ideal calculator helps make the lesson more fun and easier to engage.

If you need a calculator with a CAS ability, the Casio FX-CG500 and TI Nspire CX CAS are two ideal options. The Casio model is relatively new compared to the TI calculator because it first entered the market in 2017, while the latter has been around since 2011. Thus, the TI Nspire CX CAS was already pretty familiar in the market and arguably a safer choice, especially if many people around you also use the calculator. Still, the FX-CG500 is an exciting choice if you prefer the design.

We mention the design because this calculator is more eye-catching with the bigger screen, which may improve the user experience by making the graphs and overall menu easier to read. The main concern is whether you want to pay extra for this feature because both Casio FX-CG500 and TI Nspire CX CAS have the same abilities, and Casio is currently more expensive. You can also use these calculators for PSAT, SAT, and Math AP exams with a note that you can’t use the FX-CG500’s stylus.

Casio FX-CG500 and TI Nspire CX CAS Design

We can keep graphing calculators for years, so it is necessary to consider the overall quality, especially the build quality. These calculators adopt the same shape but are not identical, with the FX-CG500 being slightly thicker than Nspire CX CAS. The main reason Casio needs a thicker body for this calculator is that you will need to replace the battery instead of charging it like many other modern calculators—having removable batteries has pros and cons depending on your preference.

Removable batteries are more convenient as you don’t need to wait for them to charge, but they are not as cost-efficient in the long run. We can always use the rechargeable AAA-size batteries if you prefer the rechargeable battery. Not only is the body, this FX-CG500 heavier than similar calculators in the same size, including the Nspire CX CAS at 12.6 ounces compared to the latter at 8.5 ounces; these weights include the cases.

Another significant difference between Casio FX-CG500 and TI Nspire CX CAS is the appearance because Casio uses a much bigger screen to improve the experience. This Casio graphing calculator is 4.8-inch, so you can view the graph and menu and functions much easier than on the CX CAS’s 3.2-inch screen. The FX-CG500 almost looks like the early pocket phone with a huge screen minus the same keypad. Additionally, you get a stylus to work with the FX-CG500’s touch screen.

Casio FX-CG500 and TI Nspire CX CAS Display

Some people may think that the screen is not an integral part of the calculator as it does not do the calculation but affects the overall experience. The advantage of having a smaller screen is the processor doesn’t have to work as hard as when the calculator has a bigger screen and higher resolution. Both calculators use color screens and are pretty easy to read. Discoloration is a common issue on almost any display type, but we assume people will only read the calculator from the front.

Casio FX-CG500 and TI Nspire CX CAS offer different experiences based on the screen since Casio has almost twice a bigger display and more features, such as a touch-screen. But, due to the combination of display and features, this calculator can feel too slow sometimes as the processor must work harder.

Casio FX-CG500 and TI Nspire CX CAS Interface

Let’s talk about the interface on Casio FX-CG500 and TI Nspire CX CAS because graphing calculators are powerful, and even the essential functions can be confusing sometimes. We prefer the FX-CG500 interface because it is more user-friendly. The home screen contains various icons with their purpose so you can choose what to do on the calculator. The Nspire CX CAS is different as anything you will do happens within a “document.” The home screen shows options like Calculate and Graph, and you will choose the document.

One way to do a basic calculation in Nspire CX CAS is by creating a new document, and this document will be specific to the app you want. This way, you can access some features in the document but not all simultaneously. Texas Instruments designed the interface this way because you can save a lot of data on the calculator. But, the FX-CG500 can save some data, and the interface is more intuitive.

Casio FX-CG500 and TI Nspire CX CAS Computer Algebra System

Many consider the Casio FX-CG500 and TI Nspire CX CAS for the CAS ability. This feature is a must for many because it means the calculator can manipulate mathematical expressions in symbolic form. The main difference between calculators with CAS and without is the ability to work with equations symbolically rather than just numerically. You can solve things on the calculator that were formerly only doable by hand, such as algebra problems, factor expression evaluates indefinite integrals, etc. The calculators will give you multiple answers if you enter a quadratic equation.

CAS is convenient, and while the calculators with this feature, like Casio FX-CG500 and TI Nspire CX CAS, are considerably expensive, they will save you a lot of work that is usually done manually. With CAS, you can do things like factoring and expanding polynomials. A slight difference between the two is when you want to perform some trig identity because FX-CG500 seems unable to simplify some forms. But, overall, these calculators cover most single expression problems with or without the variables. Having the CAS feature is allowed in SAT so that it can save time.

Casio FX-CG500 and TI Nspire CX CAS Graphing

The Casio FX-CG500 and TI Nspire CX CAS are graphing calculators, so graphing is a core function. Graphing calculator is convenient because you can type the equations in the list and then press the graph function to see the plotted graph without doing it manually; the calculators will draw it for you. The FX-CG500 benefits from the larger display because you can see and edit all the equations simultaneously while looking at and interacting with the graph. This is something missing from other graphing calculators with a smaller display.

You can also view only one at any given time, such as showing the equations or the graph only. We found the touch-screen incredibly handy to interact with the calculator as you can rotate the entire screen and transform the graph’s orientation horizontally like the CX CAS’s view. Another difference between these graphing calculators is the ability to graph in 3D directly at the calculator. The FX-CG500 can do this function similar to when you graph in 2D. You have the list of equations at the top and the graph at the bottom.

The screen can show a pretty 3D graph, but this process seems to push the processor to its capacity as the calculator’s speed slows quite noticeably. Unlike when doing 2D graphing, zooming and interacting with the graph in 3D mode is not as responsive. You also can’t rotate the graph, which is unfortunate because it should give a better view. On the other hand, Nspire CX CAS can offer the 3D graphing feature through the software. Make sure you installed at least the newest variant available to get the most.

Casio FX-CG500 and TI Nspire CX CAS Programming

Casio FX-CG500 and TI Nspire CX CAS are also programmable calculators so that you can do programming on both devices. However, they are not identical, and Nspire CX CAS doesn’t have the complete programming abilities as in some other TI calculators, such as the TI 84 and 83. You can do programming in this calculator, but it is pretty tedious because you must start a new document and create the program inside it. You can still edit the program after creating it by selecting commands from menus, yet there are only a few commands available.

You also can’t access the program from any screen or document, so you must access it for the document you have made. This interface is not convenient when you are on the calculator screen doing some calculations because you can’t just quickly run the program and return to the previous work. Simply put, we have to exit the calculation screen and open the document with the program and run it.

On the other hand, the FX-CG500 is a capable calculator for programming, as you can find many new functions here. If we have to nitpick, the lack of a keyboard makes the process less convenient as you must spend a lot of time in the menus on the screen to access the programming functions. Thankfully, the large screen helps make the menu look bigger and navigable. We also like the few function abbreviations for more convenience.

Casio FX-CG500 and TI Nspire CX CAS Apps

The Casio FX-CG500 and TI Nspire CX CAS also have essential apps for convenience, and you can find them on the home screen. But, the FX-CG500 has more apps to work with the calculations and managing the calculator, while the Nspire CX CAS only shows the typical functions like graphs, geometry, spreadsheet, and data statistics. Depending on what you will work on the device, both calculators can do the job, but the interface can make a difference between convenient and slightly more complicated.

Our favorite app in FX-CG500 is the Physium which is downloadable from the Casio website if it doesn’t come pre-installed in your calculator yet. This app is where you can find elements and display the atomic number, chemical symbol, atomic weight, and other information on the periodic table. This feature takes advantage of the calculator’s wide screen to show you the individual elements, see the periodic table, and look around simultaneously.

Casio FX-CG500 Vs TI Nspire CX CAS

Casio FX-CG500 and TI Nspire CX CAS are very capable graphing calculators that you can use for PSAT, SAT, and math AP exams. The two can do all basic calculations and graphs directly on the screen. They can also do 3D graphs, but you will need the CX CAS software to access this feature. The significant difference is screen and interface, where CX CAS is more convenient if you want to save a lot of data, while the FX-CG500 gives you a more intuitive interface and more convenient apps.

- Color graphing Calculator
- Extra large 4.8" touchscreen
- LCD with Stylus.
- Natural textbook display
- High resolution extra large LCD with over 65000 colors
- Advanced Computer algebra system (case)
- Touchscreen, tap and drag operation
- Ideal for Pre-Algebra, Algebra 1 & 2, Trigonometry, Geometry, Pre-calculus, Statistics, Business & Finance, Biology, Physics, Chemistry, Calculus, AP Statistics, AP Physics, AP Calculus, and Linear Algebra.
- Full-color screen with backlit display.
- All the functionality of the TI-Nspire CX handheld plus a built-in Computer Algebra System (CAS)
- Eleven interactive zoom features


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The decision is yours because both calculators are the choice of many, so you can go amazingly with either. We suggest the CX CAS if you don’t mind the learning curve because it can save a lot of data and works seamlessly. But, we will recommend the FX-CG500 if you prefer the more intuitive calculator that is easier to use and understand.

Casio FX-CG500 Vs TI Nspire CX CAS

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