Operation Manual

11-10 Lists
8211LIST.DOC TI-82, Chapter 11, English Bob Fedorisko Revised: 02/09/01 12:25 PM Printed: 02/09/01
12:38 PM Page 10 of 10
sum
sum
(summation,
LIST MATH
item
5
) returns the sum of the elements in
list
.
sum
list
prod
prod
(
LIST MATH
item
6
) turns product of the elements of
list
.
prod
list
Sums and Products of Numeric Sequences
You can combine
sum
or
prod
with
seq(
to obtain:
upper upper
G
expression
(
x
)
∏
expression
(
x
)
x=lower x=lower
To evaluate
G
2
(N–1)
from N=1 to 4: