Clear
Clear[symbol1,symbol2,…]
clears values and definitions for the symboli.
Clear["form1","form2",…]
clears values and definitions for all symbols whose names match any of the string patterns formi.
Details

- Clear does not clear attributes, messages, or defaults associated with symbols.
- Clear allows abbreviated string patterns containing the following metacharacters:
-
* zero or more characters @ one or more characters, excluding uppercase letters - Clear["context`*"] clears all symbols in a particular context.
- Clear is HoldAll.
- Clear does not affect symbols with the attribute Protected.
Examples
open allclose allScope (4)
Generalizations & Extensions (2)
Properties & Relations (2)
Possible Issues (1)
Wolfram Research (1988), Clear, Wolfram Language function, https://reference.wolfram.com/language/ref/Clear.html.
Text
Wolfram Research (1988), Clear, Wolfram Language function, https://reference.wolfram.com/language/ref/Clear.html.
CMS
Wolfram Language. 1988. "Clear." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/Clear.html.
APA
Wolfram Language. (1988). Clear. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/Clear.html