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Assistance, Batteries,
Memory,
and Seruice
Obtaining Help
in
Operating
the
Galculatol
Hewlett-Packard is committed
to providing the
owners
of HP
calcu-
lators
with
ongoing support. You can obtain answers
to
your
questions about using the calculator
from our
Calculator
Technical
Support department
(see
the
address
and
phone number on the inside
back
cover).
We suggest
that you
read, "Answers
to
Common Questionso, below
before contacting lrs. Past experience has shown
that many
of
our
customers
have similar questions about our
products.
Answers
to
Gommon Questions
Q. How
can
I
determine
if
the
calculator
is functioning
properly?
A.
Refer
to
page
198,
which
describes
the diagnostic
self-test.
O. How do
I
change
the way numbers
are
formatted
in
the
display?
A.
See
"Display Mode and Format
of
Numberso
on
page
30.
Q. My
numbers
contain conunas instead of periods
as
decimal points.
How do
I
restore the
periods?
A.
Changing
the
decimal
point is
covered
on
page 34.
O. How do
I
clear
all or
portions
of
memory?
A.l@clearsvariousportionsofmemory,dependingon
whichmenutheHP-27Sisdisplaying.(See@intheindex
for
page
references.) Erasing
the entire contents of memory is covered
on
page 196.
A: Assistance, Batteries,
temory'
and
Service
189
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