Sharp EL-9900 Operation Manual page 115

Chapter 6: Advanced Graphing Features — Advanced Keyboard
3 H_line
From the Calculation
screen
From the GRAPH
window
4 V_line
From the Calculation
screen
Draws a horizontal line on the graph window.
H_Line y-value
Draws a horizontal line ( y = value ) on the graph
window.
Example
• Draw a horizontal line of y = 5.
1. Press @
d A
3 and enter
the value 5.
H_Line
Example
• Draw a horizontal line manually.
1. Press @
d A
3.
2. Use the cursor
navigation keys
({ } ; ') to move the flashing
cursor to the appropriate position.
3. Press E to draw the line.
Draws a vertical line on the graph window.
V_Line x-value
Draws a vertical line ( x = value ) on the graph
window.
Example
• Draw a horizontal line of x = 3.
1. Press @ d A 4 and enter the
value 3.
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