hp33e

Model:	-33E

General:
	Name:			Programmable Scientific Calculator
	Code-Name:		Sage
	Family:			Spice, Series 30, Series E
	Logic:			RPN
	Features:		scientific, programmable
	Firsts:			Spice series (with -31E and -38E)
	Introduction:
		Date:		1978-5-1
		Price:		$100
	Discontinuation:
		Date:		1981-12-01
		Price:		$90 (on 1979-06-01)
	Production-Run:		?

Display:
	Type:			LED, 7 segment
	Size:			1 line x 10 chars
	Number-Formats:		sign,  10 mantissa
				sign, 7 mantissa, ., exp sign, 2 exp
	Annunciators:		raised .	battery low

Data:
	User-Visible:
		Smallest:	1E-99
		Largest:	9.999999999E99
		Signif.-Digits:	10
	Internal:
		Smallest:	1E-99
		Largest:	9.999999999E99
		Signif.-Digits:	10
	Data-Types-and-Sizes:	real, 7 bytes

Memory:
	Named-Registers:	X, Y, Z, T, Last x, 0-7
	Flags:			none
	Register-Usage:		R2	\GSn
				R3	\GSx
				R4	\GSx^2
				R5	\GSy
				R6	\GSy^2
				R7	\GSxy
	Numbered-Registers:	8
	Program-Steps:		49
	Program-Editing:	replace
	Program-Display:	keycode
	User-RAM-Bytes:		140
	Total-RAM-Bytes:	?
	ROM-Bytes:		?
	Machine-State:		prefix key state
				stack lift enable
				display mode
				program counter
				three level return stack
				program / register memory divider
				registers
				memory
	File-Types:		none

Physical:
	Technology-Used:	?
	Processor:		?
	Chip-Count:		?
	Power-Source:		custom nickel-cadmium 2 AA cell pack, A/C
	Continuous-Memory:	no
	Expansion-Ports:	none
	I/O-Ports:		none
	Clock:			none

	Length:			?
	Width:			?
	Height:			?
	Weight:			?
	Temperature-Range:
		Operating:	0 to 45 deg C
		Charging:	15 to 40 deg C
		Storage:	-40 to 55 deg C

Keyboard:
	Switches:		OFF / ON
				PRGM / RUN
	Shift-Keys:		f, yellow, above
				g, blue, below
	User-Defined-Keys:	none

Key-Arrangement::

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

Key-Labels-Base-Keyboard::

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

Key-Labels-f-gold-above::

FIX	SCI	ENG	[]	[]
x^	y^	r	L.R.	\GS-
|--------- CLEAR ---------|
PREFIX	PRGM	REG	STK
x\<=y	SIN	COS	TAN
x>y	->R	->RAD	->H.MS
			 x
x\=/y	LN	LOG	y
x=y	\v/x	LST x	PAUSE

Key-Labels-g-blue-below::

BST	RTN	NOP	[]	[]
DEG	RAD	GRD	x-	s
MANT	INT	FRAC	ABS
	   -1	   -1	   -1
x<0	SIN	COS	TAN
x>0	->P	->DEG	->H
	 x	  x
x\=/0	e	10	1/x
	 2
x=0	x	\pi	%

Programmable-Operations::

%		percent of
+		addition
-		subtraction
->DEG		convert to degrees
->H		convert to decimal hours
->H.MS		convert to hours,minutes,seconds
->P		convert rectangular to polar
->R		convert polar to rectangular
->RAD		convert to radians
0-9, .		enter digit or decimal point
1/x		reciprocal
10^x		common exponentiation
ABS		absolute value
ALL		clear all registers
CHS		change sign
CLx		clear X
COS		cosine
COS-1		arc cosine
DEG		degrees mode
EEX		start an exponent
ENG 0-9		ENG mode
ENTER^		enter
e^x		natural exponentiation
FIX 0-9		FIX mode
FRAC		fractional part
GRD		grads mode
GSB 0-49	gosub program step
GTO 0-49	go to program step
INT		integer part
L.R.		compute linear regression
LN		natural logarithm
LOG		common logarithm
LST x		LAST X
NOP		noop
PAUSE		pause
r		compute correlation coefficient
R/S		run/stop
RAD		radians mode
RCL 0-7		recall from register
REG		clear registers
RTN		return
Rv		roll the stack down
s		compute standard deviation
SCI 0-9		SCI mode
SIN		sine
SIN-1		arc sine
STK		clear stack
STO +,-,x,\:- 0-7	storage arithmetic
STO 0-7		store in register
TAN		tangent
TAN-1		arc tangent
x		multiplication
x-		compute average
x<0		conditional test
x<>y		exchange x and y
x=0		conditional test
x=y		conditional test
x>0		conditional test
x>y		conditional test
x\<=y		conditional test
x\=/0		conditional test
x\=/y		conditional test
x^		linear estimate, correlation
x^2		square
y^		linear estimate, correlation
y^x		power
\:-		division
\GS+		add to statistics
\GS-		subtract from statistics
\pi		constant, value 3.141592654
\v/x    	square root

Non-Programmable-Operations::

BST		back step
f		f-shift
g		g-shift
GTO .0-.49	go to program line
MANT		temporarily display all matissa digits
P/R		program/run mode
PREFIX		clear any prefix
PRGM		(program mode) clear all program steps
		(run mode) set program counter to 0
SST		single step
STO ENTER^	self-test, clears memory

Menus::

none

Bugs/ROM-Versions::

none

Notes::

No factorial.