Sharp el-9900c Guía De Operación

• Draw the tangental line of y = x

 at x = 1.

1. Select T_Line(.

2. Enter “x

2

, 1)” on

the line.

3. Press 

E.

It is also possible to

specify a function

equation from Y0 to

Y9 if stored.

(T_line(Y1, 1))

• Draw a tangental line by manually specifying the

point.

1. Select T_Line(.

2. Use 

; ' to move the flashing cursor on

the targeted graph line.

Use 

{ } to select a graph to draw the

tangental line.

3. When the point is set at the tangent point, press

E.

• Draw a vertical line manually.

1. Press 

@ d A 4.

2. Use the cursor navigation keys (

{ } ;

') to move the flashing cursor to the appropri-
ate position.

3. Press 

E to draw the line.

Draws a tangental line at the specified point of a graph

curve.

From the Calculation

screen

From the GRAPH

window

From the GRAPH

window