Overview - 1. Scientific calculator - Calculator and notepad are designed together, so you can write while calculating, improve learning and work efficiency, simple operation, suitable for beginner students and science builders. 2. Health environmental protection - The blue matt LCD screen is used to protect the eyes. When you are not using a calculator, you can also put it on the table as a notepad. It can write repeatedly, reduce paper consumption, environmental protection, no dust, and ink, press a clear button to erase LCD notes, and protect personal privacy. 3. Portable - You can put it in your bag, pocket, or even wallet. It is a perfect choice for office calculations, construction calculations, financial calculations, accounting calculations, student calculations, home calculations, etc. Product information - Color - Black (Chinese), Black (English) Specifications - MS349 computing methods, ES417 computing methods, CNX498 computing methods Gifts - points exchange gifts, business