EasyManuals Logo

HP 25 User Manual

HP 25
132 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #84 background imageLoading...
Page #84 background image
80 Programming
volume
of
a spherical balloon as its
diameter
increases
using
the formula:
Increase
in
volume =
1167T
(d
1
3
-
d
o
3
) ,
where
do
is
the original
diameter
of
the balloon
and
d, is the new
diameter
.
If
do were
entered
in
the Y -register and d,
were
keyed
into the X-register, the
problem
could be solved manually by
pressing the
keys
shown
in
the left-hand column
that
follows.
Keys
Display
m;:zm
01
31
[]]
02
03
Ow
03
14 03
Cube
the new
diameter
.
EiD
04
21
[]]
05
03
0
06
14 03
Cube
the original
diameter.
B
07
41
Subtract
the
cubes
.
m
El
08
15 73
0
09
61
Multiply by
7T.
~
10 06
G
11
71
I
Divide
by 6.
The
program
keystrokes
for this problem are the same. Simply
switch to
PRGM
mode
PRGM
~RUN
and press
[§§C]
to
clear
program memory and display
step
00.
Then
key
in
the
list
of
keys
above.
The
keys
are
not
executed,
but
are
recorded
in
program memory steps
01
through
II.
Verify that
each
key-
code
is
correct
as you key
in
each
instruction by
checking
the
displays s
hown.
(Notice
that you had to record the
m;:zm
key as an instruction
in
this program.
TheBmm
instruction here se
par
ates the num-
ber
3 that is the second
step
of
the program from the digits for
the new
diameter
that you will key
in
later.)

Table of Contents

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the HP 25 and is the answer not in the manual?

HP 25 Specifications

General IconGeneral
Power SourceRechargeable battery pack
Programming Steps49
Release Year1975
FunctionsTrigonometric, logarithmic, statistical
TypeScientific
Dimensions148 x 80 x 14 mm

Related product manuals