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Clearing Sequence
´ CLEAR M
In Run mode:
In Program mode:
´ CLEAR Q
´ CLEAR u*
* Also temporarily displays the mantissa.
Display Clearing:
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
12345
9
¤
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.
Repositions program memory to line 000.
Deletes all program memory.
Clears all data storage registers.
Clears any prefix from a partially entered
key sequence.
and
`
Display
12,345
1,234
12,349
111.1261
0.0000
Section 1: Getting Started
Effect
Digit entry not terminated.
Clears only the last digit.
Terminates digit entry.
Clears all digits to zero.
21

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