HP 39gII, Руководство пользователя

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16 Getting started
When you highlight a previous input or result (by
pressing = ), the and menu labels appear.
To copy a previous
line
Highlight the line (press
=
) and press . The
number (or expression) is copied into the edit line.
Your last few entries are always copied to the clipboard,
so in most cases, you can just paste a recent result.
Press Sm to open the clipboard, use
\
and
=
to highlight the result you want, and press
.
To reuse the last
result
Press S
ANS
(last answer) to put the last result from the
Home display into an expression.
ANS
is a variable that is
updated each time you press
E
.
To repeat a
previous line
To repeat the very last line, just press
E
. If the
previous line is an expression containing
ANS
, the
calculation is repeated iteratively.
Example See how
S
ANS
retrieves and reuses the last result (50),
and
E
updates
ANS
(from 50 to 75 to 100).
50 E+ 25
EE
You can use the last result as the first expression in the edit
line without pressing
S
ANS
. Pressing
+
,
w
,
s
,
n
, (or other operators that require a
preceding argument) automatically enters
ANS
before the
operator.
You can reuse any other expression or value in the Home
display by highlighting the expression (using the arrow
keys), then pressing .