Clear

CLEAR

PURPOSE:
The CLEAR statement provides an intermediate level system reset available to a user. It performs the following duties:
Resets ERR,ERL to 0
Resets CTL to 0
Resets FOR/NEXT and GOSUB stacks
Resets PRECISION to 2
Clears all numerics (not in the EXCEPT list) to 0 and all strings (not in the EXCEPT list) to "".

STATEMENT SYNTAX:
{stno} CLEAR {EXCEPT var list}

where:  var list - is a list of variables which will not be cleared.

EXAMPLE:
0100 CLEAR
1234 CLEAR EXCEPT SAVE_STUFF$

NOTES:
The CLEAR statement is often used as the first non-REM statement in any program that does not require special data to be used, but can make use of any files that are currently open.