Using the TI-83 or TI-84 to Solve a System of Equations

This video will show how to use your TI-83, TI-83+, TI-84, or TI-84+ calculator to solve for multiple unknowns with an equal number of equations. This uses "Reduced Row Echelon Form," "rref."

You will have to use simple varaible names like x, y, and z. The solver does not reconize I_{1}, I_{2}, or I_{3} as a variable. Follow the on screen example.

None of the currents or voltages that we are solving for in this class should come out as an imaginary number. If this happens to you, you probably got a sign or two wrong when you created the equations you put into the form.

by Tony Wayne ...(If you are a teacher, please feel free to use these resources in your teaching.)

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