The CANIA Fx-991MS Scientific Calculator is a reliable and efficient tool for solving complex mathematical equations. With a regular-sized keypad and LCD display, this calculator is easy to use and produces accurate results. Powered by batteries, the CANIA Fx-991MS Scientific Calculator is compact and convenient for everyday use in office settings. The model comes with a cover and instructions, ensuring it remains in good condition and that users can make the most of its functionality. Ideal for professionals in need of precise calculations, this scientific calculator by CANIA is a trusted choice.