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 kit¹. 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^†

Onboard power and capability

• Huge, built-in library with more than180 scientific and engineering constants and units
• Customize input by choosing from RPN, algebraic or textbook data-entry modes
• Structured programming for creating applications
• 128KB memory (of which 80.7KB is available to the user)
• Computer Algebra System (CAS) delivers dynamic symbolic manipulation and numeric solving so you can easily perform complex arithmetic or calculus functions

Share data and results

• Convenient serial port can interface with the PC¹ and any data you collect can be analyzed on your calculator
• 3D graphing functions with interactive graphics
• 2D/3D plotting, graphics, algebra, quadratic and polynomial features
• Built-in applications tackle tough equations

Subject suitability

• Engineering
• Surveying
• Math
• Statistics
• Computer Science
• Trigonometry
• Physics
• Calculus
• Statistics
• Geometry
• Biology
• Chemistry

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 Internet¹

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, ÷, √, 1/x, +/-, In, e^x, ^x√y
• y^x, LOG, 10^x, x², %, π , n!
• Fractions
• Degrees, radians, or grads mode
• Trigonometric functions/inverses
• Hyperbolics/inverses
• HP SolveT 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

• Σx, Σx², Σy, Σy², Σxy
• 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.¹
• 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