Casio CFX-9850G PLUS Function Manual - Page 4

Browse online or download pdf Function Manual for Calculator Casio CFX-9850G PLUS. Casio CFX-9850G PLUS 14 pages. 6. matrix calculations
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Graphing with the Sketch Function

u u u u u To draw a tangent in the RUN or PRGM Mode

The following is the command syntax for drawing a tangent in these modes.

P.30

1. In the RUN Mode, display the sketch menu, press 2 (Tang), and then

2. Press w to draw the tangent line.

k k k k k Line Normal to a Curve

With this function you can draw a line that is normal to the curve at a specific

point.

u u u u u To draw a line normal to a curve in the GRAPH or TABLE Mode

1. After graphing the function, display the sketch menu and press 3 (Norm).

2. Use the cursor keys to move the pointer the position of the point where you

156

Tangent <graph function>, <

• Use the variable data (VARS) menu to specify the function to be graphed.

Example

To draw a line that is tangent to point (

(

– 2)

perform the following input.

J4(GRPH)1(Y)b,c

• A line that is normal to the curve at a given point is one that is perpendicular to

the tangent line at that point.

Example

To draw a line that is normal to the curve at point (

(

want to draw the line.

-coordinate>

+ 2)(

– 2)

= 2,

= 0) of

(

[Sketch]-[Norm]

= 2,

= 0) of

+ 2)