EWTTO 12 Digital Dual Power Large Display Electronic Calculator， Standard Function Desktop Business Calculator with LCD Display Screen<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Standard function calculator with comfortable buttons， easy operation </span></li><li><span class="a-list-item"> Tax and Currency conversion， efficient and swift </span></li><li><span class="a-list-item"> Angled large screen display， convenient to read </span></li><li><span class="a-list-item"> On and Off buttons， Profit margin %， +， -， x， /， Key Rollover </span></li><li><span class="a-list-item"> Dual Power supply by solar or 1 AA battery (Not Included) </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51gKmV%2BLWEL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51JJ-ziIszL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/516SSQZou0L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51OHxnwRZdL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/310e5t5H5lL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/515a%2B3MsX3L.jpg" noproxy>