MODEL- HP48GII            VENDOR- HEWLETT-PACKARD
    
FEATRES- HP 48gII Graphing Calculator
       With its 128KB total memory (80.7KB available to the user), huge 
        built-in constant library and structured programming for creating 
        applications, the HP 48gII keeps reliable, high-level assistance at 
        hand for demanding engineering and surveying applications. Ideal 
        for engineering, computer science, surveying, trigonometry, 
        calculus, statistics, geometry, biology, chemistry, physics, and 
        more. Customize your input by choosing familiar textbook, 
        traditional algebraic or efficient RPN entry modes. If your 
        classroom or lab work requires communication for experiments, this 
        is your tool -- includes a serial port connectivity kit. View 3D 
        graphs and 2-and 3-D plots and other functions with ease on the 
        comfortably-sized display. Permitted for use on SAT I, SAT II Math 
        IC/IIC, PSAT/NMSQT, AP Calculus, AP Statistics, AP Chemistry, AP 
        Physics.
    Includes Calculator, batteries, user manual, pouch, Serial cable, and 
      CD with connectivity software and advanced user guide.
* Operating Features
   - Entry logic: algebraic/RPN/textbook 
   - Menus, prompts 
   - Alpha messages 
   - Soft-keys 
   - Numeric precision - intermediate/internal: 15 internal/12 display/
     infinite precision for integers.
   - Displayed numerical precision: 12 digits, exponent: -499 to +499 
   - Internal numerical precision (intermediate): 15 digit, exponent: 
     - 49999 to +49999.
   - Additional applications available on Internet
* Configuration
   - RAM: 128KB (80.7KB available to the user) 
   - Redefinable menu keys 
   - Redefinable keyboard (user mode) 
   - Peripherals 
   - Supports libraries/RPL programs 
* Vector Operations
   - Rectangular/Polar 
   - Matrix operations: Includes symbolic matrices 
   - Matrix editor 
* Graphing Features
   - 2-D Function, Polar, Parametric Plot 
   - 3-D, Differential Equation, Bar Plot 
   - Histogram, Scatter Plot 
   - Find: Intersect, Extremum, Slope, Area 
   - Zoom, Trace, Co-ordinates, Shade 
* Math Features
   - +, -, x,  , v, 1/x, +/-, In, ex, xvy 
   - yx, LOG, 10x, x2, %, p , n! 
   - Fractions 
   - Degrees, radians, or grads mode 
   - Trigonometric functions/inverses 
   - Hyperbolics/inverses 
   - HP Solve application (root finder) 
   - Numeric Integration 
   - Symbolic Integration (simple cases) 
   - Numeric differentiation 
   - Symbolic differentiation (simple cases) 
   - Complex number of functions 
   - Polynomial root finder, Taylor series 
   - Absolute value, round 
   - Integer, & fractional part of a number 
   - Modulo function, floor, ceiling 
   - CAS (Computer Algebra System) 
* Scientific features
   - Decimal hrs/hrs min sec conversions 
   - Polar/rectangular conversions 
   - Angle conversions 
   - Base conversions and arithmetic 
   - Unit conversions 
   - Bit, Boolean graphics 
   - Display and printer graphics 
   - Onboard library with more than 180 scientific and engineering 
     constants and units.
* Statistical Features
   - Sx, Sx2, Sy, Sy2, Sxy 
   - Sample standard deviation, mean 
   - Population standard deviation 
   - Linear regression 
   - Combinations, permutations 
   - Weighted mean 
   - Edit, save, name, list 
   - Curve fit ( LIN, LOG, EXP, POW ) 
   - Plot statistical data 
   - Hypothesis tests 
   - Confidence intervals 
* Programming features
   - Root finder: HP Solve 
   - Number of steps/regs or bytes: 80.7KB 
   - Number of Programs/formulae: ++ 
   - Levels of subroutines: ++ 
   - Branching 
   - Flags: 256 
   - Alpha prompts in programs 
   - Input forms, alpha string manipulation 
   - Indirect addressing 
   - Index looping 
   - Alpha listing 
* Additional features
   - Serial port can be used to interface with a PC, and any data you 
     collect can be analyzed on your calculator.
   - Notepad 
   - Graphing functions with interactive graphics 
   - IrDA port allows the HP 48gII to communicate with another HP 48gII 
     calculator, or an HP 49g+ at high speed.
   - 2D/3D plotting, graphics, algebra, quadratic and polynomial features.
   
  -- SPECIFICATIONs -----------------------------------
PROCESSOR    - 48Mhz ARM9
DISPLAY      - Display size: 131 x 64 pixels
                             7 lines x 33 characters + 2 lines header + 
                               1 line of menu.
               Display Type: LCD 
               LCD         : 131 x 64 pixels dot matrix + indicators 
               Contrast    : Adjustable 
SYSTEM LOGIC - Entry-system logic     : RPN, Algebraic, Textbook
               Built-in functions     : 2,300+ 
               Menus, prompts, etc.   : Yes 
               Pending operations     : Limited by memory
               Internal precision     : 15 digits, limited by memory for 
                                          integers.
MEMORY       - 80.7 KB user
               128 KB total
CONNECTIVITY - IrDA port
               RS232 Serial port
INPUT        - Keyboard               : Alphanumeric
ENCLOSURE    - Plastic
POWER- AAA x 3 + CR2032, with power Off function
SIZE - 3.4"w x 7.2"h x 0.9"d                 WT.- 7.7 oz.