Casio Standard Scientific Calculator fx-991EX

- Advanced Functionality: The Casio Standard Scientific Calculator fx-991EX offers advanced functionality to handle complex mathematical calculations with ease.

- High-resolution Display: Featuring a high-resolution display, the calculator ensures clear and easy-to-read outputs, enhancing user experience.

- Multi-replay Function: The multi-replay function allows users to recall and edit previous calculations, enabling efficient problem-solving and learning.

- Dual Power Source: The calculator operates on both solar power and battery, providing versatility and reliability for use in various environments.