Hewlett Packard 39gs Graphing Calculator

Description: The new enhanced HP 39gs is the ideal classroom graphing education tool designed for solving complex
problems with a library of built-in applications and scientific constants, plus the linear equation and triangle solvers. In addition, students can create and store custom applets with 256KB memory, easily share data and connect with PCs with the choice of USB, serial or infrared ports*. The HP 39gs helps math and science students develop key learning skills and comprehend difficult concepts with symbolic, numeric and graphing views and familiar algebraic data entry. Plus, a large split-screen display with adjustable contrast and interactive history, notes and sketch functions. With an increased battery life and included slide-on hard cover, rely on the HP 39gs wherever you go. You also get the reassurance of award-winning HP support available to you 24-hours a day, as well as an enhanced website with tutorials, educational resources and downloads.  

ARM CPU:    ARM9 75Mhz Processor

Features:    

• CPU: 75Mhz ARM9
• Display:
  Display size 131 x 64 pixels
  Display features adjustable contrast
• System logic
  Entry-system logic Algebraic
  Built-in functions over 600
  Menus, prompts, etc. Yes
• Memory
  Memory 256 KB
  Memory features Pending operations limited by memory
• Input
  Keyboard Alphanumeric
• Power
  Battery AAA x 4 + CR2032
• Physical characteristics
  Key top material plastic
  Size (L x W x D) 7.4 x 3.7 x 1.2 in (18.7 x 9.4 x 3.1 cm)
  Weight 8.8 oz (249.0 g)
• Graphing functions
  2-D Function, Polar, Parametric Plot, sequence; cobweb, stairstep plot,
  plot/table screen, box whisker plot, Histogram, Scatter Plot
  Find: Intersect, Extremum, Slope, Area Zoom, Trace, Co-ordinates, Shade
• Mathematical functions
  +, -, x, ÷, ?, 1/x, +/-, In, ex, x?y, yx, LOG, 10x, x2, %, ? , 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
• Scientific functions
  Decimal hrs/hrs min sec conversions
  polar/rectangular conversions
  angle conversions
• Statistical functions
  ?x, ?x2, ?y, ?y2, ?xy
  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
• Supporting material
  Subject suitability General Math
  Pre-Algebra/Algebra
  Trigonometry
  Statistics
  Geometry
  Biology
  Chemistry
  Physics
  Earth sciences

Source:  Hewlett Packard

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