Product Features Powerful Calculation Capabilities: Equipped with 252 calculation functions, including basic mathematical operations, trigonometric functions, inverse trigonometric functions, exponential calculations, logarithmic calculations, and more. It also supports advanced operations such as prime factorization, permutations and combinations, and random integer generation, meeting the calculation needs of various learning stages from middle school to university and even adult college entrance exams. Natural Textbook Display: Uses a natural textbook display format to show equations and calculation results in a clear and intuitive manner, helping students better understand the calculation process and reducing misunderstandings caused by formatting issues. Pixel display: It can reproduce the calculation process in multiple steps, allowing students to check calculation steps, promptly identify errors, and better grasp mathematical knowledge and problem-solving approaches. Ergonomic key design: The plastic keys offer a comfortable feel, excellent durability, and clear feedback, reducing fatigue even with prolonged use. They also feature a quick typing function (2 anti-ghosting keys) for smoother input. Long battery life: The battery has a long lifespan, with the cursor flashing continuously for approximately 17,000 hours. Under normal usage conditions, there is no need for frequent battery replacements, providing sustained support for learning and exams. Auto-off function: Features an auto-off function that automatically shuts down after a period of inactivity, saving power and extending battery life. Application scenarios. Classroom learning: Suitable for daily calculations in subjects such as mathematics, physics, and chemistry, helping students quickly and accurately obtain results and improve learning efficiency. Exam settings: A reliable tool for exams from middle school to university, its functions meet exam requirements and help students perform at their best during exams. Daily homework: Whether it's simple arithmetic problems or complex function calculations, it can handle them with ease, helping students complete their homework smoothly.Packaging and accessories