Table of Contents
Advertisement
Press
Display
0.00
]
If you make a mistake while keying in a number, clear the entire
numberstring 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.
Advertisement
Table of Contents
