Casio FX-9860GII - SOFTWARE VERSION 2-00 Manuale di avvio rapido - Pagina 14

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Casio FX-9860GII - SOFTWARE VERSION 2-00 Manuale di avvio rapido
Calculate the local minimum value of the graphed function.
(G-SLV)
(MIN)
Calculate the local maximum value of the graphed function.
(G-SLV)
(MAX)
Drawing an Integration Graph
Example:
To determine the integration result for the quadratic function
x
+ 4
within the range of
At the same time, draw the function graph for the definite integral derived from
the quadratic function and verify the results.
Use View Window to configure the graph screen coordinate values.
(GRAPH)
(SET UP)
(Line)
(V-WIN)
Configure the following settings: Xmin = –2, Xmax = 8, Ymin = –6, Ymax = 13.
E-12
x
= 0 to 4.
Input the function
Graph the function.
(DRAW)
Use the G-SOLVE function to calculate the definite integral result of the
graphed quadratic equation for
Use the
y
x
= –
2
definite integral range.
Next, trace the function graph of the definite integral result of the graphed
quadratic equation, and compare it with the previous result.
y
x
2
x
= –
+ 4
into area Y1, and (Y1, 0, X) into area Y2.
(CALC)
(
dx
)
(Y)
x
= 0 to 4.
dx
(G-SLV)
( )
(
)
and
keys to select one of the graphs and then specify the
Definite integral result: 10.66666667
(TRCE)