HP 50g Graphing Calculator - USB, Infrared, Serial - Battery, Backup Memory

The ultimate graphing calculator for surveying, engineering, math, and science, now improved. The new HP 50g graphing calculator features a SD card slot with formatting functions, RPN, Algebraic, and Textbook input modes, the largest high-contrast display with more space than ever, plus serial and USB connectivity. Also includes: HP Solve, structured programming, and CAS (Computer Algebra System). Enjoy excellent 24/7 HP support and an extended memory capacity of 2.5MB total: 512KB RAM + 2MB flash ROM for future upgrades. With over 2300 built-in equations and functions, ideal for professionals and students. Free USB connectivity kit includes cable, software, and pouch.