Kalkulator naukowy z funkcją składanego notatnika, trzy w jednym, obsługuje energię słoneczną i baterie guzikowe

Foldable Design The foldable design makes it easy to store and transport, perfect for students and professionals on the go. Certified Safety With CE certification, you can trust in the safety and quality of this scientific calculator. General Purpose Calculator Designed for general use, it's suitable for a wide range of calculations, from basic arithmetic to complex equations. Durable Plastic Material Constructed from durable plastic, this calculator withstands daily use without wearing out quickly. Two-in-One Functionality In addition to being a scientific calculator, it doubles as a notepad, offering convenience and versatility. 1. Portable 10-digit display 6.5-inch scientific calculator with a graphics tablet, stylus and erasure button, suitable for function calculation and general mathematical calculation in offices and schools for students 2. olar-powered scientific calculator with writing board, functional engineering calculator, financial calculator, suitable for student offices in schools 3. 6.5-inch 2-in-1 portable scientific calculator, LCD screen writing pad, foldable scientific calculator, digital drawing pad with stylus 4. 10-digit large-screen scientific calculators, foldable notebook calculators, and graphic tablet computers are suitable for daily use, office computing, and school mathematics teaching. Silicone rubber keys are noiseless