Casio fx-9860G SD - Manual (Page 11)

20050401
GRAPH FUNCTIONS
The graphing capabilities of this calculator makes it possible to draw complex graphs
using either rectangular coordinates (horizontal axis: x ; vertical axis: y) or polar
coordinates (angle:
θ ; distance from origin: r).
All of the following graphing examples are performed starting from the calculator setup
in effect immediately following a reset operation.
Example 1: To graph Y = X(X + 1)(X – 2)
1. Press
m
.
2. Use
defc
to highlight
GRAPH, and then press
w
.
3. Input the formula.
v (v+b)
( v -c)w
4. Press
6
(DRAW) or
w
to draw the graph.
Example 2: To determine the roots of Y = X(X + 1)(X – 2)
1. Press
!5
(G-SLV).
6
Quick-Start