Metal shell design: Using high-quality metal panels, the appearance is simple yet exquisite, enhancing the overall texture, while enhancing durability and wear resistance, ensuring that it can maintain good condition even after long-term use. The metal panels are not only scratch resistant and wear-resistant, but also have better pressure resistance, suitable for frequent use, especially in high-intensity office environments, and can still maintain excellent performance Review function: With a review function, it is easy to view previous calculation steps, avoid losing important calculation information due to misoperation, and ensure data integrity. Error Correction Design: Supports easy correction of incorrect inputs. Simply press the "Error Correction" button to quickly clear the last step of the operation, avoiding duplicate inputs, saving time, and reducing error occurrence Multi functional operations: In addition to basic addition, subtraction, multiplication, and division, it supports more complex percentage calculations, square roots, storage functions, etc., to meet various computing needs. Whether it's finance, billing, or daily data calculations, they can all be easily handled Efficient battery design: adopting energy-saving design, extending battery life, ensuring long-term use without frequent battery replacement