Avalon A-25x Scientific Calculator， Red (Comparable to Texas Instruments Scientific Calculators)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Professional Grade Scientific Calculator</li><li>Beautiful Design， with Hard Protective Slide Case</li><li>Battery Operated</li><li>"Auto Power-Off" Feature， to save battery life</li><li>Approved For SAT/ACT/AP Tests- Includes a one year warranty</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51PC8wVJw0L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41me%2BrRRvDL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51eH0VSzaUL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41EnYfJHm2L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41wg2LaYoZL.jpg" noproxy>