KU Interactive Mathematics
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All row operations can be performed on your TI.
 
It is true that, in some cases, it is quicker to do these operations by hand. But, you should practice how to do them on your TI as well.
 
Start by pressing 2ND then MATRIX (above the x–1 button). Use a cursor to select MATH. Then, move a cursor up to select a syntax.

 
Multiply a row by a constant Screen Shots
Syntax: *row(multiplier, [matrix], row)
Press ENTER. Then, you will see this:
This example shows that Row 2 of matrix A is multiplied by –4.

Press ENTER to see the result.
 
Add a constant multiple of a row to another row Screen Shots
Syntax: *row+(multiplier, [matrix], row_to_multiply, row_to_add)
This example shows that Row 1 of matrix A is multiplied by 3 and added to Row 2.

Press ENTER to see the result.
 
Swap two rows Screen Shots
Syntax: rowSwap([matrix], row, row)
This example swaps Row 1 and Row 2 of matrix A.

Press ENTER to see the result.
 
Add a row to another row Screen Shots
Syntax: row+([matrix], row, row)
This example swaps Row 1 is added to Row 2 of matrix A.

Press ENTER to see the result.
 
 TI
 Course Info Office Hours Exams LiveMath TI Help KU Math Dept Home
 KU Interactive Mathematics

Disclaimer • Updated September 4, 2008
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