[2 in 1 Calculator] - Our calculator with writing tablet and pen, so you can write what you want on the notepad quickly with less hand movement, improving productivity and efficiency. No need to find and carry scratch paper while computing. You can calculate and record very easily. [One-Click Clear] - Turn on the accidental deletion prevention button at the bottom, and then press the clear button to delete the contents of the tablet with one click, which is very convenient and time-saving. The electronic desktop calculator adopts a silicone button design. It is anti-sweat and anti-skid and conforms to human habits. [Portable to Carry] - This handwriting calculators is only 130g, lightweight and clamshell hidden WordPad design, easy to carry. Product size: 15* 9*1.4cm / 3.5 * 5.9 * 0.6''. You can take the mini calculator in your bag, pocket and purse as a notebook or financial calculator, perfect for office business, classroom, and home use. [Durable and Smooth] - 2 line large-angle LCD display makes calculation more convenient and fast, supports 12-digits calculations and 10 data outputs. 6-inch large screen writing pad with LCD writing pad, so that the picture is smooth, no friction noise when writing. (Battery model: CR2025). [Easy to Operate] - With this 2 in 1 Scientific Calculator, you can calculate and record at any time, you also can put it as a notepad when you are not using the calculator. The calculators desktop has a button, you can one-click clear the full screen, write repeatedly without ink and dust, reducing paper consumption and being eco-friendly.