Sharp el-9950 - Page 89

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Chapter 4: Graphing Features
4 Maximum Findsthemaximumofthegivengraph,andplacestheashing
cursor at that position.
Note: If the given graph has no
maximum value, an error
message will be displayed.
If there are several maximum
values, please use this function
again.
5 Y_zero FindsanY_zero(aintersectpointoracontactpointofthegraph
ontheX-axis)ofthegivengraph,andplacestheashingcursorat
thatposition.IfthereismorethanoneY_zero,thenextY_zerocan
be found by selecting the tool again.
Note: IfthegraphhasnoY_zero,an
error message will be displayed.
6 Y_Incpt FindsanY-interceptofthegivengraph,andplacestheashing
cursor at that position.
Note: IfthegraphhasnoY-intercept,
an error message will be
displayed.
Note: The result may be different when
theZOOMfunctionisused.
7 Inflec Calculatestheinectionpointofthegivengraphandmovesthe
cursor to that point.
Example
1. Enter the graph equation
Y1=x
3
–
3x
2
+
2.
2. Press
@
k
7
.