Order - HP 40gs Graphing Calculator with CAS

CPU: 75Mhz ARM9. Entry-System Logic: Algebraic Built-in Functions: 600+ Internal Precision: 15 Digits. Display: 131 x 64 Pixels. 7 Lines x 33 Characters. Memory: RAM 256KB. Connectivity: USB, RS232 Serial Port. Calculator Size: mm 187mm (length) x 94 mm (width) × 31mm (thickness). Calculator Weight: 249grams. Batteries: 4 x AAA + 1 x CR2032. HP Part Number: F2225AA#ABA (One Year Warranty) Package Includes: Calculator, Batteries, User Manual, Serial/USB Cable, and CD with Connectivity Software and Advanced User Guide. Package Weight: 1,180grams.