The Canon LS-82Z Handheld Calculator is a useful tool for computing on the go and is well-suited to office home or school needs. It performs a variety of functions ranging from simple multiplication and division to the extraction of square roots and reciprocal calculations. This Canon handheld calculator features an large eight-digit upright display that provides a clear view and easy readability of numbers. The display also eliminates overhead glare and eye strain making it easier to see while the calculator is placed down. This dual-power Canon LS-82Z Handheld Calculator can be powered by both solar energy and batteries (not included). It is designed with large buttons for easy and convenient operation. The compact size of this calculator makes it easy to take with you to school the office or on the road.