Feature: 1. [Scientific Function Calculator] This calculator with handwriting tablet supports scientific calculations, meeting various complex calculation needs. 2. [Multifunctional Design] In addition to basic calculation functions, this calculator also has special functions such as accounting calculation and statistical analysis. 3. [Handwriting Board] This function calculator features a handwriting board for intuitive and easy operation, enhancing user experience and boosting calculation efficiency. 4. [Versatile Usage] Perfect for business, educational, and office environments, this financial calculator can greatly improve productivity and efficiency. 5. [Portable Design] With its compact and lightweight design, the desk calculator is easy to carry around, enabling you to perform calculations anytime, anywhere. Specification: Item Type: Scientific Calculator Material: ABS Battery Type: CR2025 Battery Capacity: 165mAh (Built in). Package List: 1 x Scientific Calculator (with Pen) 1 x Instruction Manual Note: Children should play under adult supervision to avoid swallowing small toy parts.