1. Multifunctional calculator: This basic calculator for students integrates calculations and a notebook with a stylus. You can take notes while calculating without paper, which improves study and work efficiency, saves time, and is more convenient.2. Large display: Easy-to-read calculator with a large LCD screen and 10-digit display that won't strain your eyes.3. Portable: This calculator is slim and lightweight, and its folding design makes it easy to carry. You can put it in your school bag, briefcase, pocket, etc. anywhere.4. Dual power supply: The notebook calculator supports battery and solar energy. The calculator has a built-in replaceable battery. It's also powered by solar energy, so you don't have to worry about running out of batteries.5. Multi-purpose calculator: It is a perfect choice for office calculations, construction calculations, financial calculations, it is easy to use and suitable for students, teachers and business people.Specification:Product size 6.3*3*0.55 inchesProduct net weight 4.52 ounces/128 gramsCalculator battery LR1120LCD tablet battery CR1120LCD tablet size 6 inchesApplication: Primary school, office, home, store, giftMaterial: LCD screen + silicone buttons + ABS framePackage includes:1 x solar powered handwriting calculator