Sharp EL501WBBK 10 Digit 131 Function Calculator.<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>10-digit， 1-line LCD display</li><li>131 scientific and math functions</li><li>Battery operated (two LR44) with automatic shut-down</li><li>Protective hardcover prevents scratches and dings</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41%2ByMLYQwDL.jpg" noproxy>