Table of Contents
Advertisement
Controlling the Display
33
Calculator Overflow
When the number in the display would be greater than 9.9999999
x
10
99 ,
the
HP-25
displays all 9's to indicate that the problem
has exceeded the calculator's range. For example,
if
you
solve
(1
x
10
49 )
X
(1
x
1050), the HP-25 will display the answer:
Press
m:l49mIim
m:l 50
0
Display
11.0000000
49
11.0000000
99
But
if
you attempt to
multiply
the
above
result by 100, the
HP-25 display
indicates
overflow by showing you aIl9's:
Press
Display
1000
19.9999999
99
A
display
ofl
OF
lindicate
s
that
one
of the calculator's
storage
regis
ters has
overflowed. See section 4,
Function
Keys, for
a
description of
the
HP-25 storage registers.
Error Display
If you
happen
to key in an improper
operation,
the word Error
will
appear in
the display.
For example
,
try
to
divide
1 by 0 (the H P-25 will recognize this
as an improper operation):
Press
ImIim
08
Display
1
1 . 0 0
I
Error
You can clear the error by pressing
ED
or by keying
another
number into the displayed X-register.
Press
Display
ED
~I
o
_ .o_
o
______
~
All t?ose
~perations
that
cause'
l
-=
Er
-
r-
o
-
r
-'
1
to
appear
in the display
are listed
In
appendix
B.
Hide quick links:
Advertisement
Table of Contents
