More from Amazon.com : http://www.amazon.com/gp/product/B000GTPRPS?tag=purrfectcatdi-20 <br /> <br />HP 50g Graphing Calculator <br /> <br />New display upgrade--the new HP 50g display features a 30 increase in usable space over the HP 49g <br />New powerful SD card slot allows you to format your card right in the calculator and expand memory <br />Massive 25 MB total memory--512 KB RAM plus 2 MB flash ROM for performing future upgrades <br />New larger equation library and 2300 built-in functions--ideal for both professionals and students <br />The choice of efficient RPN Textbook or Algebraic data entry
