HP 15C Uživatelský manuál Strana 21

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Section 1: Getting Started 21
Clearing Sequence
Effect
´ CLEAR M
In Run mode:
Repositions program memory to line 000.
In Program mode:
Deletes all program memory.
´ CLEAR Q
Clears all data storage registers.
´ CLEAR u*
Clears any prefix from a partially entered
key sequence.
* Also temporarily displays the mantissa.
Display Clearing: ` and
The HP-15C has two types of display clearing operations: ` (clear X)
and (back arrow).
In Run mode:
` clears the display to zero.
deletes only the last digit in the display if digit entry has not
been terminated by v or most other functions. You can then
key in a new digit or digits to replace the one(s) deleted. If digit entry
has been terminated, then acts like `.
Keystrokes
Display
12345
12,345
Digit entry not terminated.
1,234
Clears only the last digit.
9
12,349
¤
111.1261
Terminates digit entry.
0.0000
Clears all digits to zero.
In Program mode:
` is programmable: it is stored as a programmed instruction,
and will not delete the currently displayed instruction.
is not programmable, so it can be used for program correction.
Pressing will delete the entire instruction currently displayed.
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