Casio fx9750GII - MISCELLANEOUS FUNCTIONS (Continued); Differentiation and Integration (RUN-MAT)

This can also be done in GRAPH mode by storing each of the functions,
namely f(x), f´(x) and f´´(x) in the Y1, Y2 and Y3 ‘spaces’ respectively.
[Remember to place the ,X) after the rst and second derivative.]
Example
Find the integral of y = x
2
- 1 between x = 2 and x = 4. Result
Integral value only
OPTN
F4 F4
X, θ ,T
x
2
- 1 , 2 , 4 )
then
EXE
Example cont.
Drawing the function f(x) = (x-2)e
X
and its rst and second derivatives.
Comment on the relationships between the graphs drawn.
Result
Enter the function
SHIFT
F4
[SKTCH]
F5
[GRPH]
F1
[Y=]
(
X, θ ,T
- 2 )
SHIFT
In
X, θ ,T
SHIFT VARS
F6 F5
Enter the rst derivative
SHIFT
F4
[SKTCH]
F5
[GRPH]
F1
[Y=]
OPTN
F4 F2 (
X, θ ,T
- 2 )
SHIFT
In
X, θ ,T
,
X, θ ,T
)
SHIFT VARS
F6 F5
Enter the second derivative
SHIFT
F4
[SKTCH]
F5
[GRPH]
F1
[Y=]
OPTN
F4 F3 (
X, θ ,T
- 2 )
SHIFT
In
X, θ ,T
,
X, θ ,T
)
SHIFT VARS
F6 F5
then
EXE
cont. on next page
Differentation [in RUN-MAT] cont.
Integration [in RUN-MAT]
Integration can be displayed as the denite integral value only or the graph of the required integral and the denite
integral value. The calculator uses Simpsons Rule to evaluate denite integrals. If you do not specify the number of
steps used by Simpsons Rule, then the calculator will use 512 steps in the calculation of the request.
MISCELLANEOUS FUNCTIONS