Create the following program:
<< {} 1 1000 for i i + next >>
Press EVAL.
Wait four seconds.
A list with 1000 consecutive numbers will be created.
To show the list press the right mouse button over the stack first level.
For closing the view press the ESC key on the PC keyboard.
To export the list use "Export extended level 1" located at the main menu, option: File.
(Available since Version 1.19b)
A file named "level1.txt" will be created at the myrpl directory.
Each 10 numbers a carry return + line feed is inserted into the file "level1.txt"