HP Prime Graphing Wireless Calculator User Manual
Page 209

Functions and commands
205
Example:
resultant(x^3+x+1, x^2-x-2,x) returns -11
revlist
Reverses the order of the elements in a list or vector.
revlist(List) or revlist(Vector)
Example:
revlist([1,2,3])
returns
[3,2,1]
romberg
Uses Romberg’s method to return the approximate value of a
definite integral.
romberg(Expr, Var, Val1, Val2)
Example:
romberg(exp(x^2),x,0,1)
gives
1.46265174591
row
Given a matrix and an integer n, returns the row n of the
matrix. Given a matrix and an interval, returns a vector
containing the rows of the matrix indicated by the interval.
row(Matrix, Integer) or row(Matrix, Interval)
Example:
row
returns
[4 5 6]
rowAdd
Given a matrix and two integers, returns the matrix obtained
from the given matrix after the row indicated by the second
integer is replaced by the sum of the rows indicated by the
two integers.
rowAdd(Matrix, Integer1, Integer2)
Example:
rowAdd
returns
rowDim
Returns the number of rows of a matrix.
rowDim(Matrix)
Example:
rowDim
gives
2
1 2 3
4 5 6
7 8 9
2
,
1 2
3 4
5 6
1 2
, ,
1 2
4 6
5 6
1 2 3
4 5 6