Whether you’re a high school student tackling algebra, a college learner diving into engineering, or a professional working with advanced data, a graphing calculator is an essential tool. These powerful devices go beyond simple arithmetic, offering features like graph plotting, statistical analysis, programmable functions, and even CAS (Computer Algebra System) for symbolic calculations. With so many options available, choosing the right one can be overwhelming. Some calculators are known for their classroom reliability, while others shine in advanced functionality and modern design.
In this guide, we’ve compiled the 5 Best Graphing Calculators in 2025, considering performance, user-friendliness, display quality, and overall value for money. From the legendary Texas Instruments TI-84 Plus to the budget-friendly CATIGA Scientific Calculator, each pick has something unique to offer. Whether you need it for SATs, AP Calculus, or professional work, we’ve got you covered. Let’s explore the best options that will make solving complex problems simpler and faster.
5. Texas Instruments TI-84 Plus
The Texas Instruments TI-84 Plus is one of the most iconic and widely recommended graphing calculators in schools and colleges. Known for its reliability, ease of use, and classroom acceptance, it has become the go-to choice for students preparing for standardized tests like the SAT, ACT, and AP exams.
One of its best features is the clear high-resolution display, which makes graphing functions and analyzing data much more accessible. With preloaded apps and an intuitive menu system, even beginners can quickly adapt. It supports multiple functions, including algebra, calculus, statistics, and financial calculations. The calculator also comes with USB connectivity, making it easy to share data and upgrade software.
Its long battery life (powered by 4 AAA batteries) ensures consistent performance during long study sessions. The TI-84 Plus doesn’t have flashy extras, but its simplicity, wide acceptance, and durability make it one of the best investments for students. If you’re looking for a tried-and-true graphing calculator, this is a must-have.
4. TI-Nspire™ CX II CAS 3.5 Inches
The TI-Nspire CX II CAS is designed for advanced learners and professionals who require more than standard graphing. Its standout feature is the Computer Algebra System (CAS), which allows users to perform symbolic manipulations—solving equations, factoring expressions, and working with algebra in a way standard calculators cannot.
The bright, full-color display enhances graph visualization, enabling clear differentiation between functions and variables. It also supports 3D graphing, making it ideal for calculus, engineering, and higher-level mathematics. The calculator is equipped with fast processing speed and interactive graphing tools, ensuring smooth problem-solving.
Another great aspect is its rechargeable battery, which eliminates the hassle of replacing disposable ones. It also has strong exam acceptance, although CAS functionality is restricted in certain standardized tests, so it’s best for courses where advanced algebraic manipulation is allowed.
Overall, the TI-Nspire CX II CAS is perfect for users who want power and versatility in one sleek package. Its CAS feature, color display, and advanced graphing tools make it one of the best calculators for college and professional use.
3. Casio fx-9750GIII Graphing Calculator
The Casio fx-9750GIII offers an excellent balance of performance, affordability, and classroom acceptance, making it one of the best budget-friendly graphing calculators available today. Despite its lower price point compared to competitors, it comes packed with powerful features suitable for high school and college students.
The calculator features a high-resolution LCD display, making graphs and equations easy to read. Its intuitive icon-based menu simplifies navigation, ensuring that even beginners can quickly learn how to use it. It supports essential functions like algebra, calculus, trigonometry, and statistics. Plus, the calculator includes USB connectivity for easy updates and data transfer.
A major advantage of the Casio fx-9750GIII is its affordability without compromising accuracy or functionality. It runs on four AAA batteries, offering long-lasting usage, and it is approved for SAT, ACT, and AP exams, making it a reliable choice for students.
If you want a calculator that delivers performance on par with high-end models at a fraction of the cost, the Casio fx-9750GIII is an outstanding option for students and educators alike.
2. Texas Instruments TI-Nspire CX II CAS
The Texas Instruments TI-Nspire CX II CAS is another powerhouse that builds on TI’s reputation for quality and performance. With its Computer Algebra System (CAS), this model excels in symbolic problem-solving—factorization, solving equations, and handling complex algebra with ease.
Its sleek, lightweight design and colorful, backlit display make it a pleasure to use. The interactive graphing features allow for dynamic visualization, helping users better understand relationships between equations and functions. It’s especially powerful for students tackling calculus, linear algebra, and advanced statistics.
The TI-Nspire CX II CAS also includes a rechargeable battery, ensuring long-term savings and convenience compared to battery-powered models. Its processing power and ability to handle large data sets make it suitable not only for students but also for engineers and professionals in technical fields.
While CAS may not be allowed in every standardized exam, it remains a top choice for classroom learning and professional work. For anyone who needs high-level computational support combined with an intuitive interface, the TI-Nspire CX II CAS stands as one of the best graphing calculators available.
1. CATIGA Scientific Calculator
While not as widely recognized as TI or Casio, the CATIGA Scientific Calculator earns its spot as one of the best calculators for students seeking affordability and versatility. It combines the functionality of a scientific calculator with graphing features that cover a wide range of mathematical needs.
Its large, clear display makes it easy to read complex equations and graphs, while the straightforward design ensures that students won’t feel overwhelmed when navigating functions. It supports calculations in algebra, geometry, calculus, trigonometry, and statistics—making it a practical all-in-one option for students.
The CATIGA model is also known for its budget-friendly pricing, which makes advanced calculation tools more accessible to students on a tight budget. Despite being economical, it doesn’t compromise on accuracy or reliability. It’s lightweight, portable, and approved for many exams, adding to its value.
In short, the CATIGA Scientific Calculator shines because of its affordable price, essential graphing functions, and ease of use. It’s an excellent choice for learners who want reliable performance without spending heavily on more premium models.
Conclusion
Choosing the right graphing calculator can make a huge difference in your learning journey or professional work. Each model on this list offers unique advantages tailored to different needs. The TI-84 Plus remains a timeless favorite for its reliability and test acceptance. The TI-Nspire CX II CAS delivers advanced symbolic computation and a modern interface perfect for higher-level math. Meanwhile, the Casio fx-9750GIII strikes an excellent balance between affordability and performance, making it ideal for budget-conscious students. For users who want professional-level graphing power, the Texas Instruments TI-Nspire CX II CAS offers unmatched versatility. Finally, the CATIGA Scientific Calculator proves that you don’t need to overspend to get a capable and student-friendly tool.
Whether you’re studying for standardized exams, navigating complex college math, or working in a technical field, one of these calculators will suit your needs. Pick the one that matches your academic or professional journey, and make problem-solving easier, faster, and smarter.