Casio ClassPad II fx-CP400 Examples - Manual (Page 24)

Chapter 6: Sequence Application 24
Chapter 6:
Sequence Application
0601
1. On the Sequence Editor window, tap the [Recursive] tab.
2. Tap [Type] - [ a
n +2
Type a
1
, a
2
].
3. Input the recursion expression a
n +2
= a
n +1
+ a
n
and the initial
values a
1
= 1, a
2
= 1.
4. Tap 8 to display the Sequence Table Input dialog box.
5. Input the n -value range as shown below, and then tap [OK].
Start: 1 End: 5
6. Tap the down arrow button next to #, and then select ` to
create the table.
−3 = 2 + 1
0602
1. On the Sequence Editor window, tap ` to display the Sequence RUN window.
2. Tap [Calc] - [rSolve] to input the rSolve function.
3. As the argument of the rSolve function, input the expression “ a
n +1
= a
n
+ 2,
a
1
= 1”.
4. Press E.
0603
1. On the Sequence Editor window, tap ` to display the Sequence RUN window.
2. Tap [Calc] - [
Σ] to input the Σ function.
3. As the arguments of the Σ function, specify the range of n = 2 to 10 and input
the expression “ a
n
E = n 2 + 2 n − 1”.
4. Press
E.
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