Sharp el-9950 - Page 78

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Chapter 4: Graphing Features
B FACTOR
Usethismenutosettheverticalandhorizontalzoomingfactor.Thefactorset
underthismenudirectlyaffectsthezoomrateofthe3 In and 4 Outsub-menu
toolsundertheZOOMmenu,asdescribedabove.
  Tosetthezoomingfactor,dothefollowing:
1. Within the
B FACTOR menu, press
E
to activate the setup
tool.
 2. Whenthe“Zoomfactor”
windowappears,thecursorisautomaticallyplacedat“X_
Fact=”.Thedefaultzoomfactoris4;entertherequiredvalue
here.
 3. Pressing
E
after entering a value will switch the cursor
positionto“Y_Fact=”.Entertherequiredzoomingfactor,and
press
E
.
 4. TogobacktotheZOOMmenu,pressthe
Z
key.
C POWER
1
x
2
 Usethiszoomingtoolwhentheequationcontainsaformof“
x
2
”.
2
x
–1
 Usethiszoomingtoolwhentheequationcontainsaformof“
x
-
1
”.
3
x
 Usethistooltozoomcorrectlywhentheequationcontainsaform
of “
x
”.
D EXP
1 10
X
Use this tool when the equation contains a form of “
10
x
”.
2 e
x
Use this tool when the equation contains a form of “
e
x
”.
3 log X Use this tool when the equation contains a form of “
log x
”.
4 In X Use this tool when the equation contains a form of “
In x
”.
E TRIG
1 sin X Use this when the equation contains a sine function.