<p>How to write a program to save data on the TI-89</p><p>The following program will save the data that you currently have stored in list1 and list2 in a program. When you run the program it will overwrite any data that you have in list1 and list2 at the time with the data in the program. </p><p>To write the program</p><p>APPS 7: Program Editor 3: New In the dialog box choose program, the folder you prefer, and in the variable slot enter the name of the program (you are in alpha mode; no more than 8 characters) Enter Enter </p><p>The screen now says: :yourprogramname() :Prgm : :EndPrgm</p><p>Arrow to the line that is blank except for the colon and do the following:</p><p>2nd STO (this is the RCL (recall) command) list1 (you must either type this in, or if it is on the clipboard you can use paste; do NOT get list1 by using the var-link key)</p><p>Enter ENTER STO list1 (you can enter this any way you want to here) Enter (this gets you a blank line for the next command in the program) 2nd STO (this is the RCL (recall) command) list2 (you must either type this in, or if it is on the clipboard you can use paste; do NOT get list1 by using the var-link key)</p><p>Enter Enter STO list2 If you want to save more lists, just repeat these steps as often as needed. HOME (or 2nd ESC which is Quit)</p><p>To Run The Progam Go to the home screen. 2ND - T his is the VAR-LINK key. Arrow down to your program name ENTER Your program name is now on the entry line. You need to close the parentheses and then hit ENTER. Your data are now in your stat editor and you are ready to proceed. </p>