Texas Instruments TI-30Xa Scientific Calculator<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Texas Instruments， Inc. TI30XA is a scientific calculator</li><li>Design that delivers high availability， scalability， and for maximum flexibility and price/performance</li><li>Manufactured In Taiwan</li><li>Adds， subtracts， multiplies， and divides fractions entered in traditional numerator/denominator format</li><li>Performs trigonometric functions， logarithms， roots， powers， reciprocals， and factorials</li><li>Polar/rectangular conversions</li><li>1-variable statistics include results for mean and standard deviation</li><li>Battery powered; slide case included</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51acEzDXQ0L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51s%2BifI-f4L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/411c0iF1QOL.jpg" noproxy>