Casio fx-991CW

Key Features
Calculator with carefully crafted keys to ensure comfortable use.
Precisely designed 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 business operations, and all students need it for their back-to-school studies.