The Best Calculator for Trigonometry of 2024

This post may contain affiliate links, meaning we get a commission if you make a purchase through our links, at no cost to you.

Spread the love


Learning new skills and getting along with people are the most exciting parts of schooling, not until trigonometry gets in the way. You cannot deny that mathematics alone is a hellish ride; how much more if you do not own the best calculator for trigonometry?

You are not alone, buddy. Everyone can relate to this loop. If only your calculator could speak, it would have told you to stop every time you try solving the same equation repeatedly simply because you have trust issues with its performance.

Without a doubt, you badly want to break free from this habit. Fortunately, you clicked on the only article that provides you with honest reviews of the brands and units, like Texas Instruments calculators and Casio.

Read on to discover the best calculator for your trigonometrical needs. You will get acquainted with reliable calculators that have helped thousands of learners pass multiple exams.

If you want to just get back to studying, get our top choice for a calculator for trigonometry here.

Our Favorites for Best Calculator for Trigonometry

Calculators are essential when studying science and mathematics courses. As much as you directly influence your remarks, you need a trusted buddy to make problem set calculations easier.

Most people think all calculators are the same. Not to break your bubble, but they are not similar in many functions and features. However, everyone can agree that quality and functions are the top reasons when choosing what to buy.

Whenever you are having a hard time selecting the best calculator for trigonometry and calculus, it would be wise for you to go with the patronized models and brands by the general public and professors. Below are the best of the bests that you should invest in now.

TI-84 Plus CE (Texas Instruments)

You can never go wrong with any Texas Instruments calculator model for your academic endeavors. It is incontested that they have produced some of the most reliable and accurate products since then. You either love its performance or its reasonable price; there is no between.

The TI-84 Plus CE model is endorsed by most college professors who rely on it as a calculating tool due to its holistic features—designed for complex trigonometric problems. Imagine the trust it has taught in the industry to earn such high regard from its direct target consumers.

It is ideal for trigonometry courses since it is a graphing calculator, and it also works perfectly fine to pack enough to get you through most of your mathematics classes. The quality is way too advanced for an average price, which is a plus factor.

What makes it unique from other calculators for trigonometry:

  • The rechargeable battery alone makes it worth the investment as it is more environmental-friendly than other units. You need not worry about it being dysfunctional once you run out of battery life since you only need a charger to bring it to life again, anytime, anywhere.
  • Its high-resolution backlit display feature allows readability with less hassle and pressure, which is perfect for timed examinations that usually trigger your time anxiety.
  • The built-in supplementary apps and photos help you graph plots faster and are certified for the ACT, PSAT, AP, and SAT examinations. It is an excellent investment since it has approved advanced features for higher-level math and tests.

Why choose TI-84 Plus CE (Texas Instruments):

  • Who needs a slow calculator when TO-84 Plus CE functions instantaneously due to its rechargeable custom. Little did you know, your calculator slows down when it gets out of season; recharging alternatives eradicates this issue.
  • It is longer lasting than regular graphic calculators because it is designed with high-powered batteries.
  • It may not be the cheapest, but it is the only model that is equally fair in price and quality. If you think thoroughly, you earn more because it lasts for years, and you do not have to worry about changing a model every year.
  • It is suited for various purposes and circumstances. It is impressive since even professors from other subjects will recommend TI-84 Plus CE. On top of them all, it is approved by most standardized exam committees like AP, making it the best graphing calculator for trigonometry.
On Sale
Texas Instruments TI-84 Plus CE Color Graphing Calculator, Black 7.5 Inch
  • High-resolution, full-color backlit display.Horizontal and vertical split-screen options..Display type : LED. Number of Items : 1.
  • Rechargeable battery
  • Preloaded apps and images.Fourteen interactive zoom features

Last update: 2024-07-18

TI-Nspire CX CAS (Texas Instruments)

To set the record straight, it comes with highly advanced functionalities like dynamic points for coordinates (yes, more upgraded than the top-choice T-84 Plus CE of the same company) that might confuse beginners. Nonetheless, it is not impossible to master it through time. Once you get a grip on it, you will never regret purchasing it for real.

It may be double the price of TI-84 Plus CE, but it is worth the risk. If you have the budget for more robust units, go with any TI-Nspire series, specifically the CX CAS version. You can liken its system to computers that still work despite lacking input—-that is how powerful it is.

What makes it unique from other calculators for trigonometry:

  • TI-Nspire CX CAS performs mathematical calculations and inputs equations, formulas, and expressions using standard notations, thus ensuring that your answers are precise.
  • It allows you to interpret data with the aid of an embedded system that summarizes through histograms, charts, pies, etc.
  • Apart from its performance, it is designed with software meant to improve user experiences, such as Notes for simultaneous operation, Graphs for plotting, and Spreadsheet for effective visualization of data and plot relationship.

Why choose TI-Nspire CX CAS (Texas Instruments):

  • The system is run under high-performing algebra codes that can simplify complex expressions at the speed of light.
  • Improved color-coded graphs and tick-mark labels for axes scales promote visually appealing UI and streamline problem-solving duration.
  • Its animated path plot for graphs and other complicated expressions are drawn in real-time, which allows you to track your answer along the process.


  • The price is a significant turnoff which is understandable for a highly equipped device. Hence, you must be aware that it is usually double the price of TI-84 Plus CE.
  • Most standard examination committees like AP and school administrations restrict students from using it during exams due to its advanced settings.
  • Some functions are difficult to navigate and already embedded in lower models. It might take you some time to become familiar with its intricate system.
Texas Instruments Nspire CX CAS Graphing Calculator
  • 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)

Last update: 2024-07-18

Our Runner-Up for Best Calculator for Trigonometry

Luckily, there are available alternatives in the market that works somehow, if not precisely, as the costly ones. Price comes first on the priority list for some. Check out the following mid-range options you may want to consider.


FX-9750GII is the best alternative for TI-84 Plus CE if you have a stiff budget. It is a basic graphic calculator capable of graphs and data chart-plotting—similar (although not precisely) to the best calculator for trigonometry.

People would often go with this model since it has similar functions to other products, especially if you are a beginner and is finding out how to use graphic calculators for trigonometry. The UI design and basic functionalities are structured in an easy-to-navigate standard perfect for any math coursework. Why pay for extra dimes when you can have the same service for cheaper costs?

What makes it unique from other calculators for trigonometry:

  • FX-9750GII has three additional functions aside from basic arithmetic. It can create graphs, calculate tables, and simplify equations.
  • It has a wider range of plotting functions, including graph plotting of implicit functions with an application of dynamic graphs to change parameters.
  • It takes your learning to the highest level with its upgraded statistical functions for distribution and interval, test, and calculation of finances.

Why choose FX-9750GII (CASIO):

  • The icon-based features and menu allow you to navigate through the UI conveniently. You would not spend so much time going to and fro whenever you solve problems. Hence, it saves you a considerable amount of time.
  • It is approved for almost all of the national examinations. You have an array of opportunities to maximize its usage.
  • Its high-speed Central Processing Unit is an expert at expressing long and complex calculations and graphs fast and on-point.
  • With its high-resolution LCD, graphs are easy to comprehend and analyze. It is all because of its enlarged-dot technology, which improves its monitor display.
  • You get almost the exact value of work at a lower cost—nearly half cheaper than mainstream graphic calculators.


  • It uses AAA batteries, generally considered a weak system for a device used for powerful means. You cannot expect it to last longer than that of rechargeable units.
  • Undeniably, it has limited functionalities compared to TI-82 Plus CE. In cases like this, you are left with a choice of manually solving the problem sets. If you prefer this graphic calculator, be prepared for these scenarios.
  • Although high-definition, it does not come at par with more established brands like Texas Instruments. When a calculator has low resolution, it affects your performance.
Casio fx-9750GII Graphing Calculator, White (Renewed)
  • Quick Pie Charts & Bar Graphs
  • USB connectivity for file sharing
  • High-resolution LCD display

Last update: 2024-07-18

Our Value Picks for Best Calculator for Trigonometry

To have various options to choose from based on your preference, high-end companies like Texas Instruments and Casio have manufactured pieces that are marketable to the majority.

TI-83 (Texas Instrument)

Some of the latest functionalities of the abovementioned model are based on its existing technology. Therefore, you would find some features in TI-84 Plus CE are closely related to it. Perhaps, it is the unit that has the closest proximity to TI-84 Plus CE as it is a single-downgrade unit from the same company.

What makes it unique from other calculators for trigonometry:

  • Its basic operating system and straightforward graphing and plotting features are the blueprint of current technology.
  • Although a graphing calculator, its functions and menu are well established that are easier to navigate and perform mathematical functions.
  • Although the battery is built-in, it is by far one of the longer-lasting calculators. Some devices even last more than 8 years. Hence, it functions relatively well and faster for a mid-range option.

Why choose TI-83 (Texas Instrument):

  • It is best for entry-level trigonometry learners for it has menu features that are straightforward and conventional.
  • Its split-screen method facilitates graph-tracing and scanning of table values all at once.
  • The price is middle school-friendly. Generally, the market for this model is beginners who are not required to bring the latest calculators for trigonometry.


  • Limited capabilities are the major downfall of this model. You will be having a difficult time simplifying complex equations using it.
  • It is out seasoned. The CPU, codes, and display resolution are not suitable for today’s state-of-the-art. Expect to experience a sluggish performance because of its archaic technology.
Texas Instruments TI-83 Plus Graphing Calculator
  • Permitted for use on SAT, PSAT/NMSQT, ACT, AP, IB and Praxis exams
  • Offers large 64 x 96 pixel, 8 x 16 display; 24KB of RAM; and 160KB Flash ROM memory
  • Also graphs 3 recursively-defined sequences; TVM, cash flows, amortization, and complex numbers

Last update: 2024-07-18

TI-84 Plus (Texas Instruments)

TI-84 is an excellent addition to the best calculators for trigonometry roster because of its simplistic and intuitive interface systems. You will experience issues if you purchase this product because there are numerous online guides.

The reason why it is still relevant up to this day is because of its proven reliability. Most of its users are still learning how to use a calculator for trigonometry—possibly lower academic standing like middle schoolers.

What makes it unique from other calculators for trigonometry:

  • It can graph parametric, sequential, and polar graphs through straightforward features.

Why choose TI-84 (Texas Instrument):

  • It is the cheapest of all Texas Instruments calculators. Thus, it remains the best-selling graphic calculator around the globe.
  • You need an easy-to-follow device if you are still starting.
  • Teachers highly recommend this as a preparatory calculator.
  • You will never find a graphic calculator in the marker as durable as T-84. Some units that were manufactured in 2004 still exist today.


  • Similar to TI-83, it has limited capabilities because of old programming. You cannot use it for significant exams like AP because it will just sabotage your result.
  • Expect to experience a sluggish performance because of its archaic technology since it mechanizes a removable battery.
On Sale
Texas Instruments TI-84 Plus CE Color Graphing Calculator, Black 7.5 Inch
  • High-resolution, full-color backlit display.Horizontal and vertical split-screen options..Display type : LED. Number of Items : 1.
  • Rechargeable battery
  • Preloaded apps and images.Fourteen interactive zoom features

Last update: 2024-07-18

How to Choose the Best Calculator for Trigonometry?

Is it Graphing or Non-Graphing?

Ask yourself what kind of calculator you need. A non-graphing calculator, like a scientific, is mainly used for computations involving algebra, engineering, and statistic. Meanwhile, graphing calculators are specially designed for trigonometrical purposes such as plotting graphs and marking coordinates. If you are unfamiliar with these two types, you will pick the wrong one.

Is It Approved by Your School, SAT, and ACT?

You cannot just randomly select based on the design and price. Know that some schools prohibit high-functioning calculators because it creates a toxic dependency on computational devices that deteriorate students’ learning progress.

Know the approved calculators before heading to the store. Invest in something you can use during systemized examinations, including SAT, ACT, AP, etc.—specific assessment has unique regulations.

 Is the Display Clear and Readable?

Find the calculator with the most apparent displays for as long as it fits your budget. It must be the topmost priority. Moreover, high-resolution links to fast performance. You do not want to waste time trying to read the low-quality reflection of a calculator during an exam, do you?

Products like TI-84 Plus CE have evident shows and reasonable prices. You should include it in your choices.

What’s the Battery Life?

Its battery is a crucial point as it cannot function without an energy source. You can pick between rechargeable or not. In the case of rechargeable, you can easily find an outlet to recharge your calculator, and it relatively has longer battery life. On the other hand, non-rechargeable ones can be easily fixed when it runs out of power.

What’s Your Budget?

Most importantly, buy according to your means. Although brands and units matter, a practical purchase is a wise decision. It would be best if you always considered the price and how it can satisfy your needs at the moment. These two factors should work together to choose the best calculator for trigonometry.

Wrapping Things Up: Best Calculator for Trigonometry

You might think that all calculators have similar features or that your preferred model does not matter as long as you understand trigonometrical theories and concepts. However, all of those are just a myth. It would help if you went through a series of considerations like price, quality, and features before claiming you have the best calculator for trigonometry.

Our best pick would have to be the TI-84 Plus CE of Texas Instruments via unanimous decision. It is a god-sent model, equipped with all the necessary features to solve complex equations faster and precisely. If you are looking for a cheaper alternative, you might want to invest in CASIO FX-9750GII because it is almost at par with advanced calculators.

If you have not yet made up your mind, scan through the technicalities of the abovementioned calculator brands and models. Remember: buy the ones perfect for your situation and budget.

Picture of Professor Conquer
Professor Conquer

Professor Conquer started Conquer Your Exam in 2018 to help students feel more confident and better prepared for their tough tests. Prof excelled in high school, graduating top of his class and receiving admissions into several Ivy League and top 15 schools. He has helped many students through the years tutoring and mentoring K-12, consulting seniors through the college admissions process, and writing extensive how-to guides for school.

If you found this helpful, help us out by sharing this post!


Readers of this post also read...

A Guide to Effective Study Group Strategies

A Guide to Effective Study Group Strategies

Perhaps you have exams coming up and you’re considering studying with your friends but aren’t sure how to kick things off. Crafting the ultimate study group involves making sure that the time you spend together...

Read More