Business analyst calculator is engineered with protection. Easy-to-read, 12-digit large liquid crystal display (LCD) is angled to reduce glare. Calculator also offers large well-spaced keys. Cost-sell-margin keys allow you to quickly and easily solve CSM problems. Enter two variables, and the third appears. Design also features a decimal selector (six-decimal settings) and round off selection, three-key independent memory, percent, square root, change sign and backspace key. Dual power (solar/battery) offers automatic power-down after extended nonuse. Battery is lead-free and mercury-free. Calculator is made with a high percentage of recycled material.