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Next, use the delete key three times, to remove the last three lines in the display:
ƒ ƒ ƒ. At this point, the stack is ready to execute the command
ANS(1)z1. Press ` to execute this command. Then, use ‚@@z1@, to
verify the contents of the variable.
Using the stack in RPN mode
To demonstrate the use of the stack in RPN mode to copy a variable from one
sub-directory to another, we assume you are within sub-directory {HOME
MANS INTRO}, and that we will copy the contents of variable z1 into the
HOME directory. Use the following procedure:‚@@z1@ `³@@z1@ `
This procedure lists the contents and the name of the variable in the stack. The
calculator screen will look like this:
Now, use „§„§ to move to the HOME directory, and press K to
complete the operation. Use ‚@@z1@, to verify the contents of the variable.
Copying two or more variables using the stack in Algebraic mode
The following is an exercise to demonstrate how to copy two or more variables
using the stack when the calculator is in Algebraic mode. Suppose, once more,
that we are within sub-directory {HOME MANS INTRO} and that we want to
copy the variables R and Q into sub-directory {HOME MANS}. The keystrokes
necessary to complete this operation are shown following:
‚@@ @R@@ K@@@R@@ `
‚@@ @Q@@ K@@@Q@@ `
„§`
ƒ ƒ ƒ`
ƒ ƒ ƒ ƒ `
To verify the contents of the variables, use ‚@@ @R@ and ‚@@ @Q.
This procedure can be generalized to the copying of three or more variables.