11-18 Lists
8311LIST.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 1:21 PM Printed: 02/19/01 1:37 PM
Page 18 of 18
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])
You can combine sum( or prod( with seq( to obtain:
upper upper
Gexpression(x) āˆexpression(x)
x=lower x=lower
To evaluate G 2(Nā€“1) from N=1 to 4:
stdDev( returns the standard deviation of the elements in list.
The default value for freqlist is 1. Each freqlist element
counts the number of consecutive occurrences of the
corresponding element in list. Complex lists are not valid.
variance( returns the variance of the elements in list. The
default value for freqlist is 1. Each freqlist element counts
the number of consecutive occurrences of the corresponding
element in list. Complex lists are not valid.
stdDev(list[,freqlist]) variance(list[,freqlist])
sum(, prod(
Sums and
Products of
Numeric
Sequences
stdDev(,
variance(