10 Best Calculators 2026 in the United States

The HP Prime Graphing Calculator is a powerful tool designed for students and anyone needing advanced math capabilities. It features a bright 3.5-inch multi-touch color display, which makes viewing graphs and equations more interactive and easier to understand thanks to pinch-to-zoom and touch controls. This calculator stands out with its Computer Algebra System (CAS), allowing you to work symbolically with equations—something very useful for higher-level math like calculus and algebra. It's approved for major exams like the SAT, AP, and IB, making it suitable for high school and college use.

Powered by a rechargeable lithium-ion battery, it avoids the hassle of constantly replacing batteries, and its durable brushed metal design with a slide-on cover helps protect it during everyday use. The calculator also supports wireless connectivity and app integration, so teachers can interact with students during class and you can access calculator features on your phone or computer.

With 256 MB of memory, it can store many programs and data, which is great for creating customized calculations or saving exam setups. However, its advanced features and touchscreen might have a learning curve for beginners or those used to simpler calculators. It is also a bit heavier and larger compared to basic models, which might affect portability. The HP Prime is a feature-rich graphing calculator suited for students taking advanced math courses or exams, offering great display quality, strong functionality, and modern connectivity options, though it may take some time to get familiar with all its capabilities.

The Sharp EL-1197PIII is a robust business calculator designed for heavy-duty use. It features a large 12-digit blue fluorescent display, which is bright and easy to read. The calculator includes a fast 4.5 lines per second, two-color ribbon printer, making it ideal for those who need to keep hard copies of their calculations. The professional keyboard with a left-side grand total key is user-friendly and designed for efficiency, particularly for frequent calculations.

This calculator is AC-powered, so you don't have to worry about battery life during extended use, though it also requires a CR2 battery for backup power. The machine's extra heavy-duty build ensures durability for power users who need a reliable device over a long period. However, its large size and weight (4.2 pounds) make it less portable and more suitable for stationary use in an office setting. The addition of calendar, clock, and time functions add convenience for business users.

The use of replaceable Victor ink ribbon 7010 and an included starter size paper roll are definite pluses, but you will need to purchase replacements over time. With a 4.7-star rating from over 3,000 customer reviews, it is well-regarded by users for its performance and reliability. This calculator is best suited for business professionals who need a sturdy, high-performance printing calculator.

The Canon MP11DX-2 Desktop Printing Calculator is designed for busy professionals, particularly those in finance or tax-related fields. Its compact design and two-color printing capability make it a practical choice for handling daily calculations with ease. The inclusion of a Double Check Function helps ensure accuracy, a crucial factor in financial tasks. The calculator’s high-speed ink ribbon printing system allows for quick and efficient output, which is particularly helpful during busy periods like tax season.

Additionally, functions such as Cost/Sell/Margin and currency conversion add to its versatility, making it suitable for a range of business applications. The device features a sizable display screen at 20.83 centimeters, which is easy to read, and is powered by a battery, ensuring portability and convenience. However, for those looking for a more modern, digital solution, the ink ribbon printing system may feel somewhat dated.

The build is solid, made from plastic, and weighs 3.3 pounds, reflecting its durability and stability on a desk. A clock and calendar function are included, which can be useful for time-sensitive calculations and planning. This product is best suited for professionals who need a reliable, durable, and accurate printing calculator for their office tasks, particularly in finance and accounting.