Basic Calculator with Notepad: 3.5inch screen writing pad with and a stylusin the bottom right side. You can make notes while calculating without paper, saving time and improving work efficiency. The 12-digit display satisfies all needs as a basic calculator.The back of the calculator is designed with a screen lock function to prevent accidental deletion of notes. Durable Silicone Keys: The keyboard of the calculator is made of High-quality materials, which is comfortable to the touch and operates silently. Portable Calculator: The small calculator weighs light, and its compact size fits perfectly in your clothes pocket or bags.You can also send them as practical gifts to friends, colleagues, teachers and more. Used Widely: This portable standard function calculator is designed for many occasions like business, office, home, basic budgeting, restaurant, and more. Use it to assist your personal finance or just a quick calculation session. Material: plastic colour: Black Package Contents: 1 x Basic Calculator Only the above package content, other products are 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.