HP-80 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-80

Display type

LED

Display format

1 Line

FIXed number format

Yes*

SCIentific number format

Modified*

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-80

Logic system

RPN

Stack levels

4

Last x

-

Undo

-

Precedence

-

Parentheses

-

Storage Addition (STO +)

-

Storage Arithmetic (STO +, −, ×, ÷)

-

Storage Exponentiation (STO ^)

-

Recall Arithmetic

-

Named variables

-

Multiple data types

-

Directories

-

Math

HP-80

+, −, ×, ÷

Yes

1/x

-

√

Yes

x2

-

LOG x

-

10x

-

LN x

-

ex

-

yx

Yes

π

-

%

Yes

% change

Yes

INTeger truncation and ABSolute value

-

Trigonometric functions (SIN, COS etc.)

-

Hyperbolic trig. (SINH, COSH etc.)

-

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

-

Advanced Math

HP-80

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-80

Mean, standard deviation (# of variables)

1

Σ of n, x, x2

Yes

Σ of n, x, x2, y

-

Σ of n, x, x2, y, xy

-

Σ of n, x, x2, y, y2, xy

-

Σ of lists

-

Random number generator

-

Linear regression, estimate

Limited*

Curve fitting

-

Correlation coefficient

-

Normal distribution

-

Factorial

-

Gamma

-

Combinations and permutations

-

Scientific and Time

HP-80

Polar / rectangular conversions

-

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

-

Hrs.min.sec arithmetic

-

Time of day clock

-

Timer

-

Dynamic calculations (timer × rate)

-

Alarms

-

Unit Conversions

HP-80

Centimeters / inches

-

Millimeters / inches

-

Meters / feet

-

Kilograms / pounds (mass)

-

Newtons / pounds (force)

-

British thermal units / joules

-

Liters / gallons

-

° Celsius / ° Fahrenheit

-

Other

-

User-defined units

-

Time Value of Money

HP-80

Number of payments (n)

Yes

Interest rate (i)

Yes

Present Value (PV)

Yes

Payment (PMT)

Yes

Future Value (FV)

Yes

Cash Flow Analysis

HP-80

Net present value (NPV)

-

Internal rate of return (IRR)

-

Amortization

HP-80

Accumulated Interest (ACC INT)

Yes

Balance (BAL)

Yes

Depreciation

HP-80

Straight line (SL)

Yes

Sum of the years digits (SOYD)

Yes

Declining balance (DB)

Yes

Bonds and calendar functions

HP-80

Bond price

Yes

Bond yield

Yes

Date arithmetic / calendar functions

Yes

Memory and Programming

HP-80

Programming language(s)

-

RAM / Max # of variables or addressable registers

1 Register

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-80

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

-

Networking

-

Other

-

General

HP-80

Sounds

-

Self test

-

Hard case (in addition to soft case)

Yes

Additional Features

-

Batteries

Rechargeable

Length (inches)

5.8"

Width

3.2"

Height

1.3"

Weight (oz or lbs)

8.7 oz

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.