Best Battery Scientific Calculators of 2026

The Casio fx-115ESPLUS2 2nd Edition Calculator is perfect for Algebra, calculus, statistics and more. Its Natural Textbook Display makes it easy to view calculations, while the Protective hard case helps prevent damage when stored. The calculator operates on solar power, ensuring consistent use.

The Casio fx-300ESPLUS2 Scientific Calculator has a Natural Textbook Display which can display operations similar to their display in math textbooks. You can convert between standard form and decimal, review/edit previous entries and generate random numbers. The calculator also includes a 2-function table of values, statistics and linear regression, integer division with a remainder, greatest common divisor and least common multiple.

The Casio FX 260 Solar II Scientific Calculator is designed to simplify calculations with its 144 built-in math functions. Its easy-to-use design allows you to quickly tackle a variety of calculations. The calculator is solar-powered, making it convenient and long-lasting. It also includes a slide-on hard case for safe storage and transportation.

The iPepul Pink Calculator, model 991ES Plus, is a scientific calculator packed with 417 calculation functions, a large four-line display, dual power source, and a multi-functional keyboard. With functions like trigonometry, statistics, and algebra, this calculator is ideal for students, teachers, engineers, and accountants. The four-line display makes complex calculations easier to follow, while the dual power source ensures long-lasting use. The keyboard with scientific symbols enhances efficiency for frequent scientific calculations.

The IPEROT Scientific Calculator offers 417 functions, making it perfect for a wide range of math tasks like algebra, statistics, and calculus. With its large screen, you can easily view multiple lines of calculations, which helps you follow your work step-by-step. The dual power system uses both solar energy and battery, so you won’t have to worry about the calculator losing power during important work. Built with durable materials, this calculator is designed to be reliable and easy to use, giving you confidence in your calculations whether you're in school or handling complex problems.

The Red Star Tec Calculator is an ideal choice for both junior and high school students. This scientific calculator is designed to assist you with complex calculations, making it a valuable tool for your studies. Whether you’re preparing for the SAT or handling general business tasks, its user-friendly interface simplifies math problems. You can rely on it for accurate results, which can boost your confidence during exams. With its portable design, you can easily take it anywhere, ensuring you’re always prepared for any mathematical challenge.

ROATEE 991ES Plus is a multifunctional scientific calculator with 417 computing functions that can meet almost all of your daily computing needs. It also features a notepad with a stylus pen, enabling you to take notes during calculations. The calculator has dual power sources--a replaceable coin battery and solar energy. Its anti-drop body design ensures high durability, and its lightweight and portable design makes it convenient for business and college. Additionally, it allows conversion between fraction and decimal.

iPepul Calculator is a scientific calculator with a notepad designed together, perfect for beginner students and science builders. The blue matt LCD screen is used to protect the eyes, and it can write repeatedly, reducing paper consumption. The calculator is lightweight and portable, making it easy to carry around. With a 10-digit large screen, the calculator is suitable for office calculations, construction calculations, financial calculations, accounting calculations, student calculations, home calculations, etc. The calculator comes with two button batteries that can be replaced at any time without installing screws, and it includes a clear button to erase LCD notes and protect personal privacy.