Casio fx-9750G PLUS - Manual (Page 189)

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4. Display the sketch menu and then press 6 (g) 2 (LINE) 1 (Line) to draw
a line to the second dot.
u u u u u
To draw a line between any two points in the STAT, GRAPH,
TABLE, RECUR and CONICS Modes [Sketch]-[LINE]-[F·Line]
Example To draw a line between the local maximun and local minimum
on the graph of
y = x ( x + 2)( x – 2)
1. After drawing a graph, display the sketch menu and then press 6 (g) 2
(LINE) 2 (F·Line) to display the pointer in the center of the screen.
2. Use the cursor keys to move the pointer to the local maximum and press w.
3. Use the cursor keys to move the pointer to the local minimum and press w to
draw the line.
u u u u u
To draw a line in the RUN or PRGM Mode
The following is the syntax for drawing lines in these modes.
F-Line < x -coordinate 1>, < y -coordinate 1>, < x -coordinate 2>, < y -coordinate 2>
Graphing with the Sketch Function
10 - 2