HP-46 Features (original) (raw)

Features in optional ROMs are listed as Option.
Features in HP mag card or tape Application Pacs are listed as +.
Other software is not included.

Display and Keyboard

HP-46

Display type

Optional LED

Display format

1 Line

FIXed number format

Yes

SCIentific number format

Yes

ENGineering number format

-

STanDard / ALL number format

-

Alpha messages and prompts

-

Softkeys labeled by mag. card or overlay

-

Softkeys labeled by display menus

-

Softkeys with neither labeling system

-

Status annunciators

-

Redefinable keyboard

-

Logic

HP-46

Logic system

RPN

Stack levels

4

Last x

Yes

Undo

-

Precedence

-

Parentheses

-

Storage Addition (STO +)

Yes

Storage Arithmetic (STO +, −, ×, ÷)

Yes

Storage Exponentiation (STO ^)

-

Recall Arithmetic

Yes

Named variables

-

Multiple data types

-

Directories

-

Math

HP-46

+, −, ×, ÷

Yes

1/x

Yes

√

Yes

x2

Yes

LOG x

Yes

10x

Yes

LN x

Yes

ex

Yes

yx

Yes

π

Yes

%

Yes

% change

Yes

INTeger truncation and ABSolute value

-

Trigonometric functions (SIN, COS etc.)

Yes

Hyperbolic trig. (SINH, COSH etc.)

-

# of trig. modes (degrees, radians, grads)

3

Advanced Math

HP-46

Solver / root finder

-

Numeric integration

-

Complex numbers

-

Matrix operations

-

Matrix writer

-

Equation writer

-

Symbolic operations

-

Fractions

-

Plotting and graphics (display)

-

Plotting and graphics (printer / plotter)

-

Statistical

HP-46

Mean, standard deviation (# of variables)

1

Σ of n, x, x2

Yes

Σ of n, x, x2, y

Yes

Σ of n, x, x2, y, xy

-

Σ of n, x, x2, y, y2, xy

-

Σ of lists

-

Random number generator

-

Linear regression, estimate

-

Curve fitting

-

Correlation coefficient

-

Normal distribution

-

Factorial

Yes

Gamma

-

Combinations and permutations

-

Scientific and Time

HP-46

Polar / rectangular conversions

Yes

Base conversions (2, 8, 10, 16)

-

Arithmetic in bases 2, 8 and 16

-

Bit operations (AND, OR, XOR, ...)

-

Selectable word size (1-64 bits)

-

Selectable complement mode (1's, 2's, unsigned)

-

Decimal hrs / hrs.min.sec. conversions

Yes

Hrs.min.sec arithmetic

-

Time of day clock

-

Timer

-

Dynamic calculations (timer × rate)

-

Alarms

-

Unit Conversions

HP-46

Centimeters / inches

Yes

Millimeters / inches

-

Meters / feet

-

Kilograms / pounds (mass)

Yes

Newtons / pounds (force)

-

British thermal units / joules

-

Liters / gallons

Yes

° Celsius / ° Fahrenheit

-

Other

-

User-defined units

-

Time Value of Money

HP-46

Number of payments (n)

-

Interest rate (i)

-

Present Value (PV)

-

Payment (PMT)

-

Future Value (FV)

-

Cash Flow Analysis

HP-46

Net present value (NPV)

-

Internal rate of return (IRR)

-

Amortization

HP-46

Accumulated Interest (ACC INT)

-

Balance (BAL)

-

Depreciation

HP-46

Straight line (SL)

-

Sum of the years digits (SOYD)

-

Declining balance (DB)

-

Bonds and calendar functions

HP-46

Bond price

-

Bond yield

-

Date arithmetic / calendar functions

-

Memory and Programming

HP-46

Programming language(s)

-

RAM / Max # of variables or addressable registers

9 Registers

Max # of program steps

-

RAM / Max vars or regs with full optional RAM

-

Max # of prog steps with full optional RAM

-

Merged program steps

-

Manual register / program memory allocation

-

Automatic register / program memory allocation

-

Overlapped register and program memory

-

Continuous memory

-

Flags

-

Conditional tests

-

Subroutine levels

-

Indexed looping (increment by +/- 1, end at 0)

-

Indexed looping (choice of increment and end)

-

Multiple index / loop registers

-

Line number addressing

-

Branching by relative line number

-

Global program label addressing

-

Local program label addressing

-

Indirect / computed addressing and control

-

Multiple indirection registers

-

Pause

-

Alpha messages and prompts in programs

-

Alpha program listings

-

Alpha string manipulation

-

Program step insert / delete

-

I/O and Expansion Features

HP-46

ROM modules

-

RAM modules or expansion option

-

General expansion slots / connector

-

Magnetic card reader/writer

-

Tape drive

-

Disk drive

-

Upgradeable firmware

-

Optical wand

-

Serial port

-

Infrared input

-

Infrared output

-

Printer

Yes

Networking

-

Other

-

General

HP-46

Sounds

-

Self test

-

Hard case (in addition to soft case)

Yes

Additional Features

-

Batteries

-

Length (inches)

15.4"

Width

10.0"

Height

5.6"

Weight (oz or lbs)

13.2 lbs

Year of introduction

1973

Features in optional ROMs are listed as Option.
Features in HP mag card or tape Application Pacs are listed as +.
Other software is not included.

Unlim means limited only by available memory.