Casio fx-115MS PLUS SR Scientific Calculator<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>2-line display， Fraction calculations， Integration calculations， Combination and Permutation</li><li>Base-n calculations / conversions， Logical operations， Complex number calculations， CALC memory， Engineering symbol calculations， 9 variable memories， Comes with slide-on hard case</li><li>Statistics(STAT-data editor， Standard deviation， Normal distribution calculations， Regression analysis)</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41jk3l8tkTL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31eb0cRvv2L.jpg" noproxy>