Solar Scientific Calculators, Scientific Calculator with Notepad, Large 10-Digit Display Screen, Perfect Supplies for Students, teacher, engineer.

• 【SOLAR-POWERED SCIENTIFIC CALCULATOR】This calculator comes with two forms of power: solar and battery. The solar panel powers the calculator and the coin cell battery powers the writing board, but the coin cell battery can also power the calculator • 【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 efficie • 【LIGHTWEIGHT AND PORTABLE】 This lightweight desktop calculator is a clamshell type, with this feature it can protect the keyboard well, practical and easy to carry. Suitable for work business, engineering calculations, accounting calculations, stud • 【QUIET OPERATION】The calculator keyboard is made of silicone, giving you a more comfortable touch and quiet experience. You don't have to worry about disturbing other people in the office, school, and home while you calculate data. • 【HIDDEN STYLUS】The foldable desktop calculator is equipped with a hidden stylus on the side of the flip cover, which is not easy to lose and can be recorded at any time. Allows you to write or draw bright and clear lines.