Home
HP
Calculator
25
HP 25 User Manual
4
of 1
of 1 rating
132 pages
Give review
Manual
Specs
To Next Page
To Next Page
To Previous Page
To Previous Page
Loading...
Programming
83
Stopping
Program
Execution
~
works
differently
as
an
executed
instruction
in
a
program
than
it
does
when
pressed
from
the
keyboard
.
As
an
executed
instruction,~stops
program
execution
,
allowing
you
to
key
in
new
data
or
to
write
down
an
intermediate
result.
When
I
RI
S
I
is
then
pressed
from
the
keyboard
in
automatic
RUN
mode,
the
calculator
continues
execution
sequentially
down-
ward
.
Exa
mp
le
Pro
g
ra
m.
Universal
Tins,
a
canning
company,
needs
to
calculate
the
volumes
of
various
cylindrically-shaped
c
a
ns
.
Universal
wou
ld
a
l
so
like
to
be
able
to
record
the
area
of
the
base
of
each
can
before
the
volume
is
calculated.
One
pro-
gram
to
solve
this
problem
follows.
This
program
calculates
the
area
of
the
base
of
each
can
and
then
s
t
ops
.
When
after
you
have
written
down
that
result,
the
program
can
be
restarted
to
calcula
t
e
the
final
vo
l
ume.
The
formula
used
is:
Volume
=
base
area
x
height
=
17'r
2
x
h
The
radius
(1')
and
the
height
(h)
of
the
can
a
re
keyed
into
the
x-
and
Y
-registers,
respectively,
before
the
program
is
run
.
To
r
ecord
this
program,
set
the
PRGM
-
RUN
switch
to
PRGM
PRGM
mill
RUN
and
press
a
I
PRGM
I
to
clear
program
memory
a
nd
disp
l
ay
step
00
.
Then
key
in
the
following
list
of
keys.
Press
Display
liI
0
01
15
02
Square
the
r
a
dius.
liI
0
02
15
73
Place
17'
in
X
.
0
03
61
Calculate
the
a
rea
of
the
b
ase.
~
04
74
Stop
to
record
the
area.
0
05
61
Calculate
the
final
volume.
In
order
to
run
this
program
set
the
PRGM
-
RUN
switch
to
RUN
PRGM.mIl
RUN
and
press
a
I
PRGM
I
so
that
the
calculator
86
88
Table of Contents
Table of Contents
4
The HP-25 Programmable Scientific Calculator
9
Function Key Index
9
Memory
10
Programming Key Index
10
The HP-25 Means Painless Programming
13
Manual Problem Solving
13
Programmed Problem Solving
14
Section 1: Getting Started
17
Display
17
Keyboard
17
Keying in Numbers
18
Negative Numbers
18
Clearing
19
Functions
19
Chain Calculations
22
A Word about the HP-25
26
Section 2: Controlling the Display
29
Display Control Keys
29
Automatic Display Switching
34
Keying in Exponents of Ten
35
Calculator Overflow
37
Error Display
37
Section 3: the Automatic Memory Stack the Stack
39
Initial Display
39
Manipulating Stack Contents
39
The
39
Clearing the Stack MMM Key
42
One-Number Functions and the Stack
44
Two-Number Functions and the Stack
44
Chain Arithmetic
46
Order of Execution
49
Constant Arithmetic
50
Section 4: Function Keys
53
Last X
53
Prefix Clear
54
Number Alteration Keys
55
Reciprocals
56
Square Roots
56
Squaring
57
Using Pi
57
Percentages
58
Storage Registers
59
Trigonometric Functions
63
Polar/Rectangular Coordinate Conversion
66
Logarithmic and Exponential Functions
67
Statistical Functions
70
Vector Summations
74
Section 5: Programming
77
What Is a Program
77
Why Write Programs
77
Three Modes of Operation
78
Introductory Program
79
Running a Program
82
Gto 00
82
Writing a Second Program
83
Interrupting Program Execution
86
Branching
91
Editing a Program
95
Program Applications
101
Afterword
103
Appendix A: Accessories, Service , and Maintenance
105
Standard Accessories
105
Optional Accessories
105
AC Line Operation
105
Battery Charging
106
Battery Operation
107
Battery Pack Replacement
108
Service
109
Temperature Range
110
Warranty
110
Appendix B: Improper Operations
113
Appendix C: Stack Lift and LAST
115
Index
117
4
Based on 1 rating
Ask a question
Give review
Questions and Answers:
Need help?
Do you have a question about the HP 25 and is the answer not in the manual?
Ask a question
HP 25 Specifications
General
Power Source
Rechargeable battery pack
Programming Steps
49
Release Year
1975
Functions
Trigonometric, logarithmic, statistical
Type
Scientific
Dimensions
148 x 80 x 14 mm
Related product manuals
HP 20B
75 pages
HP HP-25
131 pages
HP HP-20S
132 pages
HP HP-28S
341 pages
HP HP-21S
166 pages
HP CalcPad 200
2 pages
HP OfficeCalc 200
19 pages
HP 20b Business Consultant
95 pages
HP OMEN 25
30 pages
HP 2509m - 25" LCD Monitor
62 pages
HP Prime
608 pages
HP 10bII
145 pages