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HP39G+ Specifications

HP39G+ CPU 75Mhz ARM9

HP39G+ Display size 131 x 64 pixels 7 lines x 33 characters + 2 lines header + 1 line of menu, LCD Display Type, LCD 131 x 64 pixels dot matrix + indicators, Contrast Adjustable.

HP39G+ System logic: Entry-system logic Algebraic, Built-in functions 600+, Menus, prompts, Internal precision 15 digits.

HP39G+ Memory 200KB user, 256KB total

HP39G+ Connectivity via IR port IrDA, Connectivity USB.

HP39G+ Input with Keyboard Numbers, Letters, Beeper On/off

HP39G+ Power System: AAA x 3 + CR2032, Power off Memory protection, Battery life about 2 months, Auto power off Approximately 5 minutes.

HP39G+ Physical characteristics: Weight 220 grams, 7.7 ounces; Size (L W D) 184.0 87.0 23.5 mm, 7.2 3.4 .09 in

HP39G+ both key top and enclosure were made from hard plastic material.

HP39G+ Subject Suitability: General math, Pre-Algebra/Algebra, Trigonometry, Statistics, Geometry, Biology, Chemistry, Physics, Earth sciences.

Graphing Features

  • 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

Math Features

  • +, -, x, , √, 1/x, +/-, In, ex, x√y
  • yx, LOG, 10x, x2, %, π , 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 features

  • decimal hrs/hrs min sec conversions
  • polar/rectangular conversions
  • angle conversions

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: 200KB
  • number of Programs/formulae: ++
  • levels of subroutines: ++
  • branching
  • alpha prompts in programs
  • input forms, alpha string manipulation
  • indirect addressing
  • index looping
  • alpha listing


Updated On: 04.06.22

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