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\v
In
most
cases,
the Solver displays an
answer.
However,
the Solver
can
\_
deal
with
a
wide variety of
complo<
mathematical conditions. During
certain calculations, the Solver displays
sets
of
changing
numbers.
(If
v
necessary,
you can halt these calculations by pressing any key
except
v
l).The
Solver
may
also
display additional information at the conclu-
sion
of
the
calculation to help you analyze the result. "How the solver
v
Works"
(see
page 110) explains
how to interpret information
dis-
\-,
played
by the
Solver'
\"
Glearing Solver Variables
To clear the variables
in
an equation,
press
llCuel:onrn]while
the
v
menu
of
variables
is
displayed. Clearing variables sets them equal
\/
to
0.
v
Variables
are cleared when the equation
is
edited.
v
Viewing and
Edating
the
Equation
v
Press
W
to display the ALPHA-edit
menu and cursor. You
can
use
the cursor movement keys
to scroll through the equation.
If
neces-
v
sary, use
the ALPHA-edit and ALPHA menus to make any
changes
\r'
(see
page 36
for
additional information about alpha entry
and
editing).
v
If
you've edited the equation, ?ress mPUTI to
replace_
the old
version
of the
equation
with
the
edited version.
To
return to the soLVE
menu
v
without
changing the stored equation, press
[ffiI.*
v
Editing an equation
clears
its
variables.
:
*
The HP-27S helps prevent loss
of
an
edited
equation.
If
you make changes and
press
lExtr
I
v
without
pressing
ftNEil,
the
HP-27S gives
you
another
opportunity
to
save
thb
edited
.v
equation.
*-
5: The Equation
SolYer
93
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