To place your data points in the correct order for an xyLine plot, follow these steps. This procedure assumes you have entered the x-values in list L1 and the y-values in list L2.

2nd QUIT key.

2nd LIST key. Right arrow key. 1: menu selection.  (To get the SortA command in the List OPS submenu)

Calculator screen image. Calculator screen image.
Calculator screen image. Calculator screen image.

2nd L1 key. Comma key. 2nd L2 key. Right parenthesis key. ENTER key.

Calculator screen image. Calculator screen image.