CASIO CALCULATOR FX-991ES PLUS

The CASIO CALCULATOR FX-991ES PLUS offers advanced scientific functions essential for engineering, mathematics, and physics applications. Equipped with a natural textbook display, it presents expressions and results exactly as they appear in textbooks, enhancing clarity and reducing input errors. With over 400 functions including complex number calculations, matrix operations, and integration, it supports rigorous academic and professional work. Its solar plus battery power ensures reliable performance in any environment, making it a dependable tool for precise calculations. Compact and durable, this calculator is designed for users demanding accuracy and versatility in their computations.