The OREVA OR-1912-C is a versatile financial calculator designed to meet the needs of professionals and students alike. It features a 12-digit large display, ensuring clarity and ease of reading during complex calculations. The calculator is equipped with a 120-step check function, allowing users to review and correct up to 120 previous entries, thereby minimizing errors and enhancing accuracy. For convenience, it operates on both solar and battery power, ensuring uninterrupted usage in various lighting conditions. Additional functionalities include a grand total calculation feature and a dedicated “000” key, streamlining large number entries and financial computations. The OR-1912-C’s user-friendly design and robust features make it a reliable tool for efficient and accurate financial calculations.