How to Solve a Matrix Equation by the Inverse With a Calculator?

Answer In linear algebra, matrices are rectangular arrays of numbers. Square matrices have the same number of rows as columns. You can add, subtract and multiply matrices as you would numbers, and if you ... Read More »

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How to Solve for X in a Linear Equation With Matrix?

There are many ways to solve a system of equations. Some are more intuitive than others; some are more straightforward to apply. One technique used in solving systems of equations uses matrices to ... Read More »

How to Solve an Equation on a Scientific Calculator?

Solving an equation on a scientific calulator.

How to Solve a Linear Equation on My Casio Calculator?

Don't abuse your Casio calculator, but on exams and tests, using your Casio to solve linear systems of equations can greatly improve your speed and accuracy. Although you should know how to solve l... Read More »

How to Solve an Equation With the Texas Instruments TI-84 Calculator?

The Texas Instruments TI-84 calculator is a graphing calculator with a gold mine of features. While many students use the TI-84 for basic algebra and geometry calculations, there are many features ... Read More »