ECO-FRIENDLY- This calculator notepad is a combination of a 6 inch calculator and an LCD notepad. The side-mounted stylus allows you to write repeatedly, reducing paper consumption without using a shredder to dispose of paper. The calculator has only one button. You can click this clear button to clear the entire rewrite screen.Solar Notebook Calculator- This is a dual solar and battery powered calculator that can be fully powered in any environment. any lighting environment or run on one CR1220 battery (included). Our calculators have 12-digit display and LCD writing pad, you can calculate and record very easily, perfect for students and business.Quiet design and eye protection- Our calculator's keyboard is made of silicone , the keys are soft, quiet and noiseless. With this calculator, you won't disturb others when calculating your data. The calculator screen and writing tablet are protected by a blue light-free LCD screen, perfect for work and study.Portable and Portable- The solar calculator is a clam shell, which can protect well keyboard and notepad. This handwritten calculator weighs only 4 ounces, making it easy to carry. Product Dimensions: 160mm x 78mm x 12mm It is so compact that you can carry it anywhere in your pocket, pocket or even purse.Widely Used- Compared to basic calculators our calculator with notepad and pen can be used to record data, also practice drawing, calculate bills and taxes, etc. You can make it a nice gift for your friends, family, sisters, brothers and classmates.