Deleting Variables

[BERNARD MICHAUD]

Thank you both for the reply. But let me make myself a little clearer.

If I enter on the command line:

22 Sto AB, 44 Sto BC, 66 Sto CD. I just created three variables + contents 22,44 and 66. On the command line I can type 8xAB and get answer 176.

Now if I press Vars, User, then scroll to User Variables, Press Enter the three variables are displayed.
1 AB
2 BC
3 CD

If I highlight each variables in turn, I can delete not only the content but the variable itself by pressing the <x] key.

Now if I create a variables in a program called EXPORT XYZ()
using the command
EXPORT AW:=0; the variable AW cannot be deleted with the <x] key and seems to be permanent and cannot be deleted anymore than variables A to Z or M1 to M0, you can only change their content.

It seems to me that if I create a program that contains say 150 variables created with the command EXPORT, those 150 variables become as permanent, as A to Z and M1 to M0, and cannot be deleted.

Am I correct?

Thanks again.