Standard command on many TI calculators. (Note: ClrIO, that clears the program workspace is only present on the TI's that have different workspaces for programs and the entry line.)

The command functions as follows, citing the Texas Instruments TI-89 User's Guide:


Clears all items stored in the entry() and ans()
Home screen history area. Does not clear the
current entry line.

While viewing the Home screen, you can
clear the history area by pressing F1 and
selecting 8:Clear Home.

For functions such as solve() that return
arbitrary constants or integers (@1, @2, etc.),
ClrHome resets the suffix to 1.

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