Product Description Thanks to a host of useful features, the LS 82Z is one of the most user friendly calculators around. The upright LCD helps prevent overhead glare and eye strain, while the display makes numbers appear clear and crisp even in the dimmest lighting. Both solar and battery power ensure that youll always finish whatever you start, whenever and wherever you are so you dont miss a step. Amazon.com Canons compact LS82Z calculator provides a range of functions for quick calculations and easy figuring of finances. Its an ideal tool for home, office, and school, providing all the basics of calculation: addition, subtraction, multiplication, division, constant multiplication, division and percentage calculations, percentage add-on, and discount calculations. The extra-large LCD display is angled to improve desktop viewing and to reduce glare and eyestrain; the numbers look crisp even in low light. Special function keys and a comfortable keyboard design, with large bold colors, also increase your speed and accuracy. The LS82Z measures approximately 3.5 by 4.5 by 2.25 inches and features an automatic power selection that shifts between solar and battery power as needed.