Calculator Folding LCD Writing Board 12 Digits Clear Display Scientific Calculator Features: Equipped with a large-size LCD screen, this calculator displays results clearly and intuitively, reducing the possibility of input errors and improving accuracy. Its lightweight and portable design makes it perfect for use on the go or in class, as it can easily fit into a bag, pocket, or purse. This calculator is not just a basic mathematical tool - it also integrates the functions of a notebook and pen, making it a versatile tool for various computing needs. The paperless design is environmentally friendly and improves learning and work efficiency. Additionally, it features a built-in handwriting board writing function that is durable and can be written 100,000 times. The dust-free and ink-free writing board design is safe for the eyes, and with just one click, you can clear the writing. Whether you're a white-collar worker, financial worker, supermarket cashier, or student, this multifunctional calculator is suitable for a wide range of uses in multiple scenarios. Specifications: Item Name: Calculator Material: ABS Battery Model: 2 x Button Batteries(Included) Display Digits: 12 Product Type: Arithmetic Calculator Writing Area Size: 4.5 to 6.7 Inches Features: LCD Writing Board, 12 Digits Clear Display, Pocket-sized Size Details:L: 12.9cm/5.08", W: 7.5cm/2.95", H: 1.54cm/0.61" (Approx.) Package includes: 1 x Calculator 1 x Handwriting Pen (Other accessories not included) Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.