Easy and accurate screen reading.Perfect for office, school or home use.Easy to carry, perfect choice for office business and home use more preferentialStyle:Handheld Calculatorcalculator provides a range of functions for quick calculations and easy figuring of finances. It's 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.features an automatic power selection that shifts between solar and battery power as needed.