Staples SPL-250 10-Digit Large Display Calculator - Solar Powered with Battery Backup and Auto-Off<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Solar-powered with battery backup and auto-off for energy savings</li><li>10-digit display calculator provides easy viewing</li><li>Mark-up and grand total keys， square root， percent， change sign keys， backspace key</li><li>Memory store and plus/minus keys</li><li>5.71"W x 5.51"D</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51WS7COJ3rL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41OAmE2mOvL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41mT-tcmEcL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51Ip-C3NK7L.jpg" noproxy>