Casio manager plus fx-9860g Manuale Utente

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 (DRAW)

 

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1

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1

You can draw a tangent line in succession by moving the “

” pointer and pressing 

U.

I Reading Coordinates on a Graph Line

Trace lets you move a pointer along a graph and read out coordinates on the display.

1. From the Main Menu, enter the GRAPH mode.

2. Draw the graph.

3. Press

1

4. Use

B and C to move the pointer along the graph to 

the point at which you want to display the derivative. 

When there are multiple graphs on the display, press 

\

D and A to move between them along the 

-axis of 

the current pointer location.

5. You can also move the pointer by pressing 

T to display the pop-up window, and then 

inputting coordinates. 

The pop-up window appears even when you input coordinates directly. 

To exit a trace operation, press 

*

1

The pointer is not visible on the graph when it is located at a point outside the graph display 
area or when an error of no value occurs.

• You can turn off display of the coordinates at the pointer location by specifying “Off” for the 

“Coord” item on the Setup screen.

• The following shows how coordinates are displayed for each function type.

I Displaying the Derivative

In addition to using Trace to display coordinates, you can also display the derivative at the 
current pointer location.