One-button screen clearing: This scientific calculator features a one-button screen clearing function, ensuring a clean workspace. It supports continuous logical input – eliminating the need for correction tools – and allows for easy deletion of handwritten notes, making it ideal for classroom use and homework. Double-sided calculator with writing surface: Featuring a double-sided design with a dedicated writing surface, this calculator allows for simultaneous calculations and note-taking. By eliminating the need to switch between paper and the device, it improves efficiency for both students and professionals, whether in the classroom or at meetings. Reusable calculator with smooth writing: The reusable and erasable writing surface provides a smooth writing experience, similar to writing on paper, while significantly reducing paper waste. The entire screen is cleared instantly with a single gesture, making it the perfect tool for both students and professionals. Convenient pocket calculator for students: With its compact dimensions of 165 x 152 mm, this lightweight and slim calculator fits easily into school bags for convenient transport. A colorful foldable cover protects the keys and preserves battery life, while the replaceable button cell battery simplifies maintenance; it is the ideal tool for classroom teaching, tutoring, and more. Scientific calculator for study and work: Equipped with a full range of scientific functions and operations, this calculator simplifies academic tasks for students and calculations for professionals, maximizing overall efficiency.