Sharp el-9950 - Page 111

110
Chapter 4: Graphing Features
G SHADE
 Withthesesub-menutools,inequalities,intersectionsand
complimentsofmultiplegraphscanbevisualized.
1 SET Setsuptheshadingareaforeachgraph.
Example
1. SetupasimplegraphwithintheGraphEquationwindow.Enter
“X
2
”forY1,forexample.
2. Press
@
, and
d
toentertheDRAWmenu,thenpress
G
to select G SHADE.TheSHADEsub-menuappears.
3. Press
1
to select 1 SET.
The“Setshade”window
appears.
4. Using the cursor keys, move
the cursor pointer to the
appropriate position.
5. Press
@
z
E
.
6. Press
1
toselectY1.
7. When the value is set, press
the
G
key. The graph will
be redrawn.
8. Let’saddanotherinequation,
so that the area where the
twoinequalityoverlapcanbeshaded.Pressthe
Y
key, and
enteranothersimplegraphequationsuchas“X
+
4”for“Y2”.
9. Now,returntotheSHADEmenubypressing
@
d
, and
G
.Press
1
to select “1 SET”.
10 .Withinthe“Setshade”window,addthesecondequationatthe
right of the topmost inequation. Use the
'
or
;
key to
positiontheunderscorecursor,thenselect“Y2”usingtheVARS
menu.
11 .Pressthe
G
to redraw the graph with the new shading
appearance.
2 INITIAL Initializestheshadingsetup,andbringsuptheshadingsetup
window.