Feature:1. MULTIFUNCTIONAL: The calculator with notepad combines the functionality of a handwriting board with a calculator, allowing users to take handwritten notes and perform numerical input and calculations in one device.2. LCD DISPLAY SCREEN: Featuring a 12 digit LCD display screen, the calculator provides clear and crisp digits for easy reading of calculation results.3. LIGHTWEIGHT AND PORTABLE: Compact and lightweight, the calculator with notepad is perfect for on the go use, enabling users to perform calculations anywhere and anytime.4. REUSABLE AND ECO FRIENDLY: With the ability to be repeatedly erased, the device promotes paper saving practices, making it both eco friendly and cost effective.5. WIDE APPLICATIONS: Ideal for home, school, and office use, the calculator with notepad offers convenience and practicality for various educational and professional tasks.Specification:Item Type: CalculatorMaterial: ABSBattery Type: CR2032Battery Nominal Capacity: 190mAh (ship with built in battery).Package List:1 x Calculator(with pen)(Ship with Built in Battery) 1 x User Manual