If you're a math, science, or engineering professional—or a serious college student—don't leave home without it! HP's most powerful new graphing calculator, the 50g supplies you with intensive power, flexibility, and connectivity.<br><br>- Do everything you need using the 2.5MB memory (512KB RAM plus 2MB Flash ROM for performing future upgrades1)<br>- View calculations on the large (131 x 80 pixels, 30% more usable space than the 49g+ model), high-contrast display with adjustable type size<br>- Choose between three data-entry modes: RPN, algebraic, and textbook<br>- Simplify processes using the larger equation library and the 2300+ built-in functions<br>- Efficiently reach solutions with the built-in lessons and step-by-step problem solving<br>- Format SD cards and expand memory right in the SD card slot2<br>- Isolate and evaluate sub-expressions using the intelligent editor—plus cut, paste, and copy objects This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5905-00-104-5596, indicating validated use in U.S. government and defense logistics supply chains.