EC Easy-See Electronic Digital Calculator - Large Tilt Display - Big Buttons Hand-held or desktop calculator with easier-to-use features Large easy-read 8-digit LCD screen with tilt gives you best viewing angle for hand or desk use Over-sized buttons help prevent 'fat-finger' mistakes; displays numbers to 99,999,999 Functions include square root, percentage, clear, clear-entry plus 4 memory keys Size 7" x 5"; powered for months by single button cell battery, easy to change