HP HP-25 User Manual

Clearing
'
.
You
can
clear
any
numbers
that
are
in
the
display
by
pressing
BE
(clear
x).
This
key
erases
the
number
in
the
display
and
replaces
it
with
0
.
Press Display
0.00 ]
If you make a mistake while keying in a number, clear the entire
number string by pressing [§%3 . Then key in the correct number.
Functions
In spite of the dozens of functions available on the HP-25 key-
board, you will find the calculator simple to operate by using a
single, all-encompassing rule: When you press a function key,
the calculator immediately executes the function written on
that key.
Pressing a function key causes the calculator to im-
meaiately perrorm that tunction.
For example, to calculate the square root of 148.84 merely:
Press Display
148.84
o
To square the result:
Press Display
a 12.20
148.84
and are examples of one-number function keys; that is,
keys that execute upon a single number. All function keys in the
HP-25 operate upon either one number or two numbers at a time
gexcept for statistics keys like and [°] —more about these
ater).
Function keys operate upon either one number or
two numbers.

HP HP-25 Specifications

General

Brand	HP
Model	HP-25
Category	Calculator
Language	English