HP HP-25 User Manual

To
run
the
program
switch
to
automatic
RUN
mode
rrom
I
rov
and press [7/[7rcv (or @@ [0] [0]) so that the calculator will
begin execution from step 00. Then try the following example.
Example. Find the increase in volume of a spherical balloon if
the diameter changes from 30 feet to 35 feet.
Press Display
30 30.00 Enter the original diameter
into Y.
35 8312.13 Key the new diameter into X and
run the program. The answer, in
cubic feet, is displayed.
Displaying Each Step
In order to look at this program, you need to be able to display
each step. Two operations allow you todo this:[B3g (single step)
and [ (back step).
With the increase in sphere volume program still recorded in the
calculator set the PRGM-RUN switch to RUN erov JlITII] ~~
and press [ to reset the calculator tostep 00. Then switch
to PRGM mode rrom [l =~ and press once. The display
will change to:
01 31
Press B3l again and the display will change to:
02 03
Now press EFll. You can see what has happened.You are back
at program memory step 01.Press @ again and step 00 is dis-
played. Pressing B again does nothing.
E& displays the contents of the next step of program memory.
displays the contents of the previous step of program
memory.
Of course, because these two keys work in PRGM mode,
neither can be stored in program memory.

HP HP-25 Specifications

General

Brand	HP
Model	HP-25
Category	Calculator
Language	English