Texas Instruments TI-84 - Manual (Page 245)

Chapter 10: Matrices 242
List 4 matr(listA, ... ,list n,matrixname)
cumSum( cumSum( cumSum( cumSum(
cumSum( returns cumulative sums of the elements in matrix , starting with the first
element. Each element is the cumulative sum of the column from top to bottom.
cumSum(matrix)
Row Operations Row Operations Row Operations Row Operations
MATRX MATH menu items A through F are row operations. You can use a row operation
in an expression. Row operations do not change matrix in memory. You can enter all row
numbers and values as expressions. You can select the matrix from the MATRX NAMES
menu.