TI-83 Plus Lists 313
sum(, prod(
sum(
(summation) returns the sum of the elements in
list
.
start
and
end
are
optional; they specify a range of elements.
list
elements can be real or
complex numbers.
prod(
returns the product of all elements of
list
.
start
and
end
elements are
optional; they specify a range of list elements.
list
elements can be real
or complex numbers.
sum(
list
[
,
start
,
end
]
) prod(
list
[
,
start
,
end
]
)
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