Calculator， Helect Standard Function Desktop Calculator - H1001<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Two-way Power: Solar (works only when it is bright) and Battery (one AA battery NOT included). Note: Please insert one AA battery for continuous and accurate usage.</li><li>Large 12-digit display</li><li>Desktop calculator</li><li>Tax and Currency conversion， Function and Command Signs</li><li>On and Off buttons， Profit margin %， +，-， Key Rollover</li></ul></div><img src="http://ecx.images-amazon.com/images/I/516WztGfcQL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/510IPWk9gFL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41PqkdHTHDL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51O8j4jXUvL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/515NED6bLuL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31p%2BeDJxW1L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51X4rZ-SCDL.jpg" noproxy>