HP HP-25 User Manual

Getting Started 17
Use the key whenever more than one number
must be keyed into the calculator before pressing a
function.
If
youkey
in
only
one
number,
you
never
need
to
press
.
To
place
two
numbers
into
the
calculator
and
perform
an
operation:
1. Key in the first number.
2. Press to separate the first number from the second.
3. Key in the second number.
4. Press the function key to perform the operation.
For example, you add 12 and 3 by pressing:
12 The first number.
Separates the first number from the second.
3 The second number.
1 he Tuncuon.
The answer,[75.00 , is displayed.
Other arithmetic functions are performed the same way:
To perform Press Display
12 -3 12 30
12 x 3 12 B0 3
12+3 12 ENE 3 (2
The[ Jkey is also a two-number operation. It is used to raise
numbers to powers, and you can use it in the same simple way
that you use every other two-number function key:
1. Key in the first number.
2. Press to separate the first number from the second.
3. Key in the second number (power).
4. Perform the operation (press |, then[ 7" ]).
When working with any function key (including [77]), you
should remember that the displayed number is always desig-
nated by x on the function key symbols.
The number displayed is always x.

HP HP-25 Specifications

General

Brand	HP
Model	HP-25
Category	Calculator
Language	English