Clearing Numbers - HP 39G User Manual

Clearing
numbers
Using
previous
results
To copy a
previous line
To reuse the last
result
To repeat a
previous line
Getting started
• clears the character under the cursor. When the
cursor is positioned after the last character,
the character to the left of the cursor, that is, it performs
the same as a backspace key.
• ( ) clears the edit line.
CANCEL
• clears all input and output in the display,
CLEAR
including the display history.
The HOME display (
output history. An unlimited (except by memory) number of
previous lines can be displayed by scrolling. You can retrieve
and reuse any of these values or expressions.
Input
Last input
Edit line
When you highlight a previous input or result (by pressing
), the and menu labels appear.
Highlight the line (press
expression) is copied into the edit line.
Press (last answer) to put the last result from the
ANS
HOME display into an expression.
updated each time you press
To repeat the very last line, just press
highlight the line (press
highlighted expression or number is re-entered. If the
previous line is an expression containing the
calculation is repeated iteratively.
) shows you four lines of input/
Output
Last output
) and press . The number (or
is a variable that is
ANS
.
. Otherwise,
) first, and then press
, the
ANS
deletes
. The
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