- Notepad integrated: This scientific calculator features a 6.5 inch writing board and a pen for taking notes during calculations. Notes can be deleted by pressing the delete button or locked to keep them. GCSE approved and suitable for all school levels. - 349 calculation functions: Includes fractions, statistics, complex calculations, linear regression, basic calculations, computer science, standard deviation, polar coordinate conversion, and more. Ideal for school scientific tasks and GCSE practice. - More responsive buttons: High quality plastic buttons provide quicker, more precise input than silicone buttons. They feel comfortable for intensive school use. - Solar power and long life: Solar panel plus a replaceable button battery ensure smooth use and extended battery life, keeping the calculator ready through long school days. - Key attributes: 6.5 inch writing board, plastic construction, reliable performance. - Use scenarios: In-class problem solving with live note taking on the built in board; homework and revision involving fractions, statistics, regression and polar coordinates; GCSE practice and study sessions with notes preserved for review.