hp39gplus

Model:	39G+

General:
	Name:			?
	Code-Name:		Little Apple
	Family:			Student
	Logic:			algebraic
	Features:		?
	Firsts:			?
	Introduction:
		Date:		2003-10-? (possibly 2004)
		Price:		$100
	Discontinuation:
		Date:		in production
		Price:		?
	Production-Run:		?

Display:
	Type:			LCD, bit-mapped
	Size:			64 x 131 pixels
	Number-Formats:		sign, 12 mantissa, ., exp sign, 3 exp
	Annunciators:		?

Data:
	User-Visible:
		Smallest:	1E-499
		Largest:	9.99999999999E499
		Signif.-Digits:	12
	Internal:
		Smallest:	1E-49999
		Largest:	9.99999999999999E49999
		Signif.-Digits:	15
	Data-Types-and-Sizes:	real, 11 bytes?

Memory:
	Named-Registers:	n/a
	Flags:			?
	Register-Usage:		n/a
	Numbered-Registers:	?
	Program-Steps:		n/a
	Program-Editing:	insert?
	Program-Display:	alpha
	User-RAM-Bytes:		128K
	Total-RAM-Bytes:	256K
	ROM-Bytes:		?
	Machine-State:		memory
	File-Types:		none

Physical:
	Technology-Used:	?
	Processor:		75MHz ARM9
	Chip-Count:		?
	Power-Source:		AAA x 3 + CR2032
	Continuous-Memory:	yes
	Expansion-Ports:	none
	I/O-Ports:		Irda, USB
	Clock:			?

	Length:			184.0 mm
	Width:			87.0 mm
	Height:			23.5 mm
	Weight:			?
	Temperature-Range:
		Operating:	?
		Charging:	?
		Storage:	?

Keyboard:
	Switches:		none
	Shift-Keys:		Shift, yellow, above left
				Alpha, black, below right
	User-Defined-Keys:	6

Key-Arrangement::

** ** ** ** ** **
** **    **
      **    **
** **    **
** ** ** ** **
** ** ** ** **
** ** ** ** **
** ** ** ** **
** ** ** ** **
** ** ** ** **
** ** ** ** **

Key-Labels-Base-Keyboard::

[]	[]	[]	[]	[]	[]
SYMB	PLOT	NUM		^
			<		>
HOME	APLET	VIEWS		v
VARS	MATH	D/dx	X,\Gt,\GH	DEL
SIN	COS	TAN	ln	log
 2	 Y
X	X	(	)	\:-
'	7	8	9	x
ALPHA	4	5	6	-
SHIFT	1	2	3	+
ON	0	.	(-)	ENTER

CANCEL key in white below ON

Key-Labels-Shift-yellow-above-left::

[]	[]	[]	[]	[]	[]
|-----SETUP-----|		[]
			[]		[]
MODES	NOTE	SKETCH		[]
CHARS	CMDS	\GS	EEX	CLEAR
			 x	  x
ASIN	ACOS	ATAN	e	10
				 -1
\v/	x\v/	ABS	ARG	x
MEMORY	LIST	{	}	!
alpha	MATRIX	[	]	\GD
[]	PROGRM	SYNTAX	\pi	\GS
OFF	NOTEPAD	=	AND	ANS


Key-Labels-Alpha-black-below-right::

[]	[]	[]	[]	[]	[]
[]	[]	[]		[]
			[]		[]
[]	[]	[]		[]
A	B	C	D	[]
E	F	G	H	I
J	K	L	M	N
O	P	Q	R	S
[]	T	U	V	W
[]	X	Y	Z	SPACE
[]	\GH	:	;	[]

Programmable-Operations::

- supports aplets

Vector and matrix operations

- matrix addition, subtraction, divsion, multiplication, and inverse
- matrix editor 

Graphing features

- 2-D function, polar, parametric plot
- sequence; cobweb, stairstep plot
- plot/table screen, box whisker 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, +/-, ln, e^x, x\v/y
- y^x, log, 10^x, x^2, %, \pi, n!
- fractions
- degrees, radians, or grads mode
- trignonometric functions/inverses
- hyperbolics/inverses
- HP Solve application (root finder)
- numeric integration
- symbolic integration (simple cases)
- numeric differentiation
- symbolic differentiation (simple cases)
- complex number 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

- \GSx, \GSx^2, \GSy, \GSy^2, \GSxy
- 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 programs/formulae: memory
- levels of subroutines: memory
- branching
- alpha prompts in programs
- input forms, alpha string manipulation
- index looping
- alpha listing
- menus, prompts
- alpha messages
- soft keys

Non-Programmable-Operations::

?

Menus::

?

Bugs/ROM-Versions::

none

Notes::

Manufactured by Kinpo (http://www.kinpo.com.tw).

The IrDA port may not be present.

US only.

Never really put on sale, as it was replaced by the 39gs before stocks of the 49g ran out.

Case was a mid-blue color, much lighter than the dark blue 39G.