Casio fx-9860G Series User Manual page 180

k How to draw a simple graph (3)
Description
Use the following procedure to graph the function of a parabola, circle, ellipse, or hyperbola.
Set Up
1. From the Main Menu, enter the CONICS mode.
Execution
2. Use the cursor
3. Input values for the required variables.
4. Graph the function.
5-1-5
Sample Graphs
keys to specify one of the function type as follows.
Graph Type
Parabola X = A (Y – K)
X = AY
Y = A (X – H)
Y = AX
Circle (X – H)
AX
Ellipse
–––––––– + –––––––– = 1
Hyperbola
–––––––– – –––––––– = 1
–––––––– – –––––––– = 1
20070201
Function
2
+ H
2 + BY + C
2
+ K
2
+ BX + C
2 2 2
+ (Y – K) = R
2 + AY 2 + BX + CY + D = 0
(X – H) 2 (Y– K) 2
2 2
A B
2 2
(X – H) (Y– K)
A 2 B 2
2 2
(Y – K) (X– H)
A 2 B 2