MULTI-FUNCTIONALITY: The multi-functional scientific calculator combines the functions of a calculator, notebook, and pen, making it ideal for middle school, high school, and college students. Its paperless design improves learning and work efficiency LIGHTWEIGHT AND PORTABLE: The scientific calculator is designed to be easy to carry with you. It can be put in your bag, pocket, or even wallet. It is perfect for use on the go, such as during travel or in the classroom. Its lightweight design is achieved through the use of lightweight materials LARGE DISPLAY SCREEN: The scientific calculator is equipped with a large LCD display screen, providing a more intuitive and clear display of calculation results, making it easier for users to read and operate numbers and symbols, reducing the possibility of input errors and improving calculation accuracy SOLAR-POWERED SCIENTIFIC CALCULATOR: The scientific calculator can work with either solar power or batteries, making it convenient for users to use in different environments.with functions such as addition, subtraction, multiplication, division, algebra, trigonometric functions, and calculus. Whether in middle school, high school, or college math studies, this calculator can assist in calculations and help students better understand mathematical concepts WIDELY USED: The multi-purpose calculadora cientifica is a very practical tool suitable for various occasions, including office calculations, construction calculations, financial calculations, etc. It is easy to use and suitable for various types of users such as students, teachers, and business people. It is also an school supplies for back-to-school, making it the best gift for students ASIN B0BVBP8CK2 Brand LveSunny Color solar Item Weight 120 Grams Screen Size 3.03 Inches Display Type LCD Manufacturer LveSunny Model Number JSQ Power Source Battery Powered Calculator Type Engineering/Scientific Mfr Part Number JSQ Enclosure Material Plastic Number of Batteries 2 CR2 batteries required. (included) Warranty Description 1 Item Dimensions L x W 6.3 L x 3.03 W