HP Prime Graphing Wireless Calculator - Manual (Page 185)

Functions and commands 181
Example:
crationalroot(2*x^3+(-5-7*i)*x^2+
(-4+14*i)*x+8-4*i)
returns
cumSum Accepts as argument either a list or a vector and returns a list
or vector whose elements are the cumulative sum of the
original argument.
cumSum(List) or cumSum(Vector)
Example:
cumSum([0,1,2,3,4])
returns
[0,1,3,6,10]
delcols Given a matrix and an integer n, deletes the nth column from
the matrix and returns the result. If an interval of two integers
is used instead of a single integer, deletes all columns in the
interval and returns the result.
delcols(Matrix, Integer) or delcols(Matrix,
Intg1..Intg2)
Example:
delcols
returns
delrows Given a matrix and an integer n, deletes the nth row from the
matrix and returns the result. If an interval of two integers is
used instead of a single integer, deletes all rows in the interval
and returns the result.
delrows(Matrix, Integer) or delrows(Matrix,
Intg1..Intg2)
Example:
delrows
returns
deltalist Returns the list of the differences between consecutive terms in
the original list.
deltalist(Lst)
Example:
deltalist([1,4,8,9])
gives
[3,4,1]
3 i +
2
----------- 2 i ⋅ 1 i +
1 2 3
4 5 6
7 8 9
2 ,
 
 
 
 
 
1 3
4 6
7 9
1 2 3
4 5 6
7 8 9
2..3 ,
 
 
 
 
 
1 2 3