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 and reduce paper consumption without using a shredder to dispose of paper. Calculators have 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 calculator has a 12-digit display and LCD writing pad so you can calculate and record very easily, perfect for students and businesses. Quiet Design & Eye Protection- Our calculator keyboard is made of silicone, the keys are soft, quiet and noiseless. With this calculator, you won't bother others while calculating the data. The calculator screen and tablet are protected by a blue light-free LCD screen, perfect for work and study. Portable and Portable- The solar calculator is a clamshell case, which can well protect the keyboard and notepad. Weighing only 4 ounces, this handwriting calculator is easy to carry. Product Dimensions: 160mm x 78mm x 12mm It is so small that you can put it anywhere in your pocket, pocket or even purse. Widely Used-Compared with basic calculators, our calculator with notepad and pen can be used to record data, also practice drawing, calculate bills and taxes, etc. You can give it to your friends, family, sisters, brothers and classmates as a nice gift.