Keying In Numbers; Negative Numbers - HP 25 Owner's Handbook Manual

Programmable scientific calculator
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14
Getting Started
To execute this function, first
press
, then press
Ej3.
To place this number into the
display, pressH3'
To execute this function, first
press
II
'
then press
EH'
In this handbook
,
the selected key function will
appear
in the
appropriate
color (either gold or blue)
,
like this:
[CJ
~
.
Keying in Numbers
Key in numbers by pressing the number keys in sequence, just
as
though you were writing
on
a piece
of
paper.
The
decimal
point must be keyed in
if
it is part
of
the number.
For
example:
Key in 148.84
by pressing the keys
Display
1148.84
The
resultant number 148.84 is seen in the display.
Negative Numbers
To
key in a negative number
,
press the keys for the
number,
then press
6mI
(change sign).
The number
,
preceded by
a
minus
(-)
sign, will
a
ppear in the display.
For
example, to
change the sign of the number now in the
dis
play:
Press
Display
6mI
1
-148.84
You can change the sign of either a negative or a positive num-
ber in the display. For example, to change the
sign ofthe
-
148.84
now in the display back to positive:
Press
Display
6mI
1
148.84
Notice that only negatiye numbers
are
given
a
sign in
the
display
.

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