Insert a new list: STAT EDIT, Edit, use the up arrow to place the cursor on a list name, then press List name: there are six built-in lists, L 1 through L 6, and you can add more with your own names. Warning! Pressing the DEL key instead of CLEAR will delete the list from the calculator. The n th partial sum will appear as v( n+1).Ĭlear a list: STAT EDIT, Edit, use the up arrow to place the cursor on the list name, press When you leave this line a pair of braces. Place the cursor next to u( nMin)= and type 3. Place the cursor next to u( n)= and type * u ( - 1 ) Then place the cursor next to u( n)= and type 1 ÷Įxample: to define the sequence a 1 = 3, and a n = na n-1, for n ≥ 2 as the sequence u( n), use the down arrow key to place the cursor next to nMin= and type 1 Get in sequence mode: MODE, use the arrows to highlight Seq, press ENTER.Ĭheck the formatting: FORMAT, use the arrows to highlight Time, press ENTER.Įxample: to define the sequence a n = 1/ n, n ≥ 1 as the sequence u( n) use the down arrow key to place the cursor next to nMin= and type 1
If a matrix is too large to fit completely on the home screen, use the arrow keys to see more columns or rows. Fill in the matrix name A, close the parenthses, and evaluate: MATRX 1 ) ENTER. To find B -1: MATRX 2 x -1 ENTER.įind the row-reduced echelon form of A: MATRX, highlight MATH, use the down arrow key to find rref( and press ENTER. Complete the calculation.Įxample: assume you called the above matrix A. Then enter the numbers in order by row, pressing ENTER after each: 2 ENTER 3 ENTER 1 ENTER 4 ENTER 0 ENTER 5 ENTER.ĭo a matrix calculation: access the matrix name and press the corresponding number. The given matrix has 2 rows and 3 columns, so press 2 ENTER 3 ENTER. Enter the matrix : MATRX, use the arrow keys to highlight EDIT, choose a name (A-I) and press the number for that name (1-9).