Solution 34491: Calculating the Cumulative Sum of a Matrix on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... How do I find the cumulative sum of a matrix on a TI-84 Plus C Silver Edition graphing calculator? To find the cumulative sum of a matrix, input the matrix, exit the matrix editor, and then paste the cumsum() function on the home screen with the name of the matrix. The example below will...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34491
Solution 34432: Solving a System of Linear Equations Using a Graph on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...s C Silver Edition calculator? To solve a system of linear equations using a graph on the TI-84 Plus C Silver Edition, follow the example below. The purpose is to solve a system of two equations and two unknowns. Example: Using a graph, find the solution for the equations y = 2x + 7 and y = -3x ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34432