Application Guide

Local
Catalog >
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 197, and getLockInfo(),
page 83.
log()
/s keys
log(Expr1[,Expr2]) ⇒ expression
log(List1[,Expr2]) ⇒ list
Returns the base-Expr2 logarithm of the
first argument.
Note: See also Log template, page 2.
For a list, returns the base-Expr2 logarithm
of the elements.
If the second argument is omitted, 10 is
used as the base.
If complex format mode is Real:
If complex format mode is Rectangular:
Alphabetical Listing 107