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Local
Catalog >
Local Var1[, Var2] [, Var3] ...
Declares the specified vars as local
variables. Those variables exist only during
evaluation of a function and are deleted
when the function finishes execution.
Note: Local variables save memory because
they only exist temporarily. Also, they do
not disturb any existing global variable
values. Local variables must be used for For
loops and for temporarily saving values in a
multi-line function since modifications on
global variables are not allowed in a
function.
Note for entering the example: For
instructions on entering multi-line program
and function definitions, refer to the
Calculator section of your product
guidebook.
Lock
Catalog >
LockVar1[, Var2] [, Var3] ...
LockVar.
Locks the specified variables or variable
group. Locked variables cannot be modified
or deleted.
You cannot lock or unlock the system
variable Ans, and you cannot lock the
system variable groups stat. or tvm.
Note: The Lock command clears the
Undo/Redo history when applied to
unlocked variables.
See unLock, page 163, and getLockInfo(),
page 63.
Alphabetical Listing 85
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