1. Scientific calculator with notepad: Equipped with a 6.5 inch writing board and a pen that allows you to take notes during calculations. You can delete notes by pressing or lock the delete button to keep them. Scientific calculator GCSE approved, suitable for all school levels. 2. 349 Calculation Functions: Includes fractions, statistics, complex calculations, linear regression, basic calculations, computer science, standard deviation, polar coordinate conversion, and more. for school scientific tasks and GCSE approved exams. 3. More responsive buttons: Made with quality plastic material, ensuring better responsiveness and precision compared to silicone buttons. They feel comfortable, making them ideal for intensive school use. 4. Solar energy: Solar panel replaceable button battery provides smooth operation and long battery life, ensuring your scientific calculator is always ready, even during long school days.