The new HP 50g graphing calculator features an SD card slot with formatting functions, RPN~, Algebraic and Textbook data entry, the largest high-contrast screen with more usable space than ever, RS232 and USB and connectivity.

You also get the reassurance of award-winning HP support 24-hours a day. Features:

• Massive 2.5MB total memory—512KB RAM plus 2MB flash ROM for performing future upgrades.
• New larger equation library and 2300+ built-in functions—ideal for both professionals and students •FREE USB connectivity kit with USB cable, connectivity software and pouch included
• Choose RPN, Textbook and Algebraic entry and customize data with four font sizes and styles
• Enhanced HP keypad with re-definable keyboard and menu keys allows for reduced keying errors
• HP Solve application allows you to type and store an equation then use to solve any variable
• Easily perform complex arithmetic and calculus functions with advanced Computer Algebra System (CAS)
• New powerful SD card slot allows you to format your card right in the calculator and expand memory •Calculate advanced expressions and view solutions in 2- or 3-D graphical representation
• Award-winning HP quality and support—available online and on the phone
• Permitted for use on SAT I, SAT II Math IC/IIC, PSAT/NMSQT, AP Calculus, AP Statistics, AP Chemistry, AP Physics# Isolate and evaluate sub-expressions using the intelligent editor—plus cut, paste and copy objects
• New display uprade—the new HP50g display features a 30% increase in usable space
• Improved connectivity with new RS232 conectivity, updated USB driver, infrared ports

Specifications

CPU:     75Mhz ARM9
Display size:    131 x 80 pixels
Display features:    Adjustable contrast
Entry-system logic:   Algebraic RPN Textbook
Built-in functions:   over 2300 Menus, prompts, etc. Yes
Memory:    512.0 KB Memory, ROM: 2.0 MB
Memory features:   Pending operations limited by memory Input
Keyboard:    Alphanumeric Power
Battery:     AAA x 4 + CR2032
Physical Characteristics:   Enclosure
Material:    Plastic
Key top material:   Plastic
Size:     (L x W x D): 7.2 x 3.4 x 0.9 in (18.4 x 8.7 x 2.35 cm)
Weight:     7.7 oz (220.0 g)

What's in the box:  Calculator, batteries, user manual, premium pouch, USB cable, and CD with connectivity software and advanced user guide.