Casio 991 Scientific Calculator Blue

Key Features
Calculator with carefully crafted keys for comfortable use.
Precisely engineered to perform accurate fractional calculations and statistical data analysis.
Displays the result instantly after pressing the solve key.
Solar-powered when lighting is sufficient; battery-powered when lighting is insufficient.
Overview
The calculator is an essential part of our daily lives that we cannot do without. It is suitable for all offices, markets, and all commercial businesses, and all students need it for their studies when returning to school.