Integration calculation
(Function for EL-W506X/EL-W516X/EL-W506)
<Example 2>
O
1
1
The fan shaped curve at left is given by the equation
y =
1
- x
2
Find the area of the fan shape with radius 1 and central
dx
1
Operation
0
dx
dx
y =
1
- x
2
angle 90 .
1
- x
1
dx
2
0
Display
x
54
x