Texas Instruments TI36XPRO TI-36X Pro Scientific Calculator， 16-Digit LCD<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Sold as 1 EA. Advanced scientific calculator is ideal for engineers， students and professionals.</li><li>MultiViewTM display allows you to view multiple calculations at the same time.</li><li>MathPrintTM feature shows math expressions， symbols and stacked fractions as they appear in textbooks.</li><li>Input data， scroll through entries and make edits like using a graphing calculator.</li><li>Toggle key converts fractions and square roots into decimals and back.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41IiS32zgDL.jpg" noproxy>