Then type in the program below. See the Help Section . Keep in mind, all bold and italicized words can not be typed in letter by letter. For example, Str1 can only be entered by hitting the VARS button, then 7, then enter. Once again all hard to find buttons are explained in the Help Section , and if you are still stuck, hit 2nd, then 0, and you will be given a catalog of all hard to find buttons.
Input is found by pressing the PRGM button, then right, then enter.
Lbl is found by pressing the PRGM button, then 9. If is found by pressing the PRGM button, then enter. Then is found by pressing the PRGM button, then 2. Disp is found by pressing the PRGM button, then right, then 3. Goto is found by pressing the PRGM button, then 0.