Calculating The Sum Of A Sequence - Casio CLASSPAD 330 3.04 User Manual

Example: To obtain the
b
n+
1

Calculating the Sum of a Sequence

Perform the following steps when you want to determine the sum of a specific range of the
sequence of a recursion expression or a general term expression.
Example: To calculate the sum of the general term expression
range of 2
Cla Pad Operation
(1) Start up the Sequence Editor.
• If you have another application running, tap
• If you have the Sequence application running, tap
(2) Tap (or press)
n a n
[ , ], [ ],
n
(3) Press .
Tip
• For information about the syntax of the " " function, see "2-8 Using the Action Menu".
Recursive and Explicit Form of a Sequence
n
-th terms of a system of recursion formulas
a b
= + 3 with the initial conditions
n n
n
10
, [Sequence RUN], [Calc], [ ], [
n a
, , , , [ ,
n
6-3-6
a b
=2, = 1
1 1
and then
and then [Sequence Editor].
n a n
, ], [ ],
n
n
], [ ], , .
20060301
a a b
= 3 + ,
n+ 1 n n
2
a n n
E = + 2 – 1 in the
n
.
, , , , , ,