Portable Calculator With Large LCD Display And Sensitive Button, Solar And Battery Power, Standard Function For Office, Home, School Features: Quantity: 1pc Material: Plastic products Color:black Product size: 16.1x7.8x1.4cm/6.34×3.07x0.55lnch Packing size: 17x8.8x1.8cm/6.69×3.46x0.71Inch Gross weight:153g/0.34lb Applicable scene:office、school Description: [LARGE DISPLAY] - The huge LCD screen that clearly displays big numbers makes it easy to read from afar, and it’s aesthetically pleasing. [DUAL POWER DESIGN] - This calculator utilizes both the solar power and battery power (battery included). The solar panel, as long as you use it in a lit environment, will power the calculator thoroughly(Note: The calculator battery is powered by the solar panel, and the handwriting pad is powered by the button battery). [VERSATILE PURPOSES] -This calculator is designed for many occasions: business, office, home, basic budgeting, school, and more. Use it to assist your finance or just a quick calculation session. [SILENT BUTTONS] - The calculator uses silicone buttons, and feel very comfortable, suitable for daily calculations. When office calculator in use, it is quiet and no noise, and when calculating, it will not disturb others. [FUNCTIONALITIES] - Add, subtract, multiply, divide, backspace, %, M+/M-/MC/MR, On/AC Button. Package Content: 1 x calculator、 1 x Handwriting pen Desktop Calculator Calculators With Writing Table Pocket Calculator Customer Service: If you have any questions about this product or encounter any problems, just feel free to contact us to get a satisfactory solution within 101 hours. Good quality, creative exterior design, and timely customer service