hp19c

Model:	-19C, differences from -29C

General:
	Name:			Printing Programmable Scientific Calculator
	Code-Name:		Clyde
	Family:			Sting
	Features:		scientific, programmable, printer
	Firsts:			CMOS/SOS memory (with -19C)
	Introduction:
		Date:		1977-9-1
		Price:		$345
	Discontinuation:
		Date:		1979-06-01
		Price:		$225
	Production-Run:		?

Physical:
	Power-Source:		customer nickel-cadmium 4 AA cells, AC
	I/O-Ports:		thermal printer, 17 columns

	Length:			?
	Width:			?
	Height:			?
	Weight:			?

Keyboard:
	Switches:		OFF / PGRM / RUN
				MAIN / TRACE / NORM

Key-Arrangement::

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

Key-Labels-Base-Keyboard::

x<>y	Rv	GSB	GTO	SST	f
ENTER^	CHS	EEX	CLx	g
-	7	8	9	\GS+
+	4	5	6	STO
x	1	2	3	RCL
\:-	0	.	R/S	PRx

Key-Labels-f-yellow-above::

x-	s	SCI	ENG	FIX	[]
|--------- CLEAR ---------|
PREFIX	PRGM	REG	\GS	[]
x\<=y	ln	log	->R	\GS-
x>y	sin	cos	tan	PRT \GS
			 x
x\=/y	INT	\v/x	y	PRT REG
x=y	->H.MS	LASTx	PAUSE	PTR STK

Key-Labels-g-blue-below::

%	i	RTN	LBL	BST	[]
PRT PRGM	GRD	RAD	DEG	[]
	 x	  x
x<0	e	10	->P	DEL
	   -1	   -1	   -1
x>0	sin	cos	tan	DSZ
		 2
x\=/0	FRAC	x	ABS	ISZ
x=0	->H	\pi	1/x	SPC

Programmable-Operations::

PRT PRGM	print program
PRT REG		print all storage registers
PRT STK		print stack
PRT \GS		print summation registers
PRx		print x
SPC		advance paper

Notes:

price changes:

	1978-08-01	$275
	1978-10-23	$225