[color=#b20ea8][b]Select the size of matrix you want.[br]Enter the matrix elements in the Spreadsheet at the bottom.[br]Matrix should show up on screen.[br]Once entered completely, you should see the reduced row echelon form of that matrix.[br]Depending on the problem, this reduced matrix will be interpreted in a variety of ways.[br]You do need to know how to row reduce by hand, but some problems can be done with the computer.[/b][/color][br][br][b][color=#c51414]Don't remove any of the ?, simply replace them. Removing any ? messes up the entire process with this file. You will need to reload the entire page.[/color][/b]