How to Solve a Matrix on a Casio CFX-9850G
A matrix consists of a row of columns and numbers that allow you to solve linear equations. Solving a single matrix consists of finding its determinant; matrices that have a determinant are square. The use of a calculator such as the Casio CFX-9850G makes it easy for you to find the determinant of a matrix without having to do it all on paper.
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Instructions
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Press "Menu." Press "MAT." Press "EXE."
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Scroll to the matrix (A, B, C, etc.) to which you want to add data. Scroll to the number of rows you want your matrix to have. Press "EXE." Scroll to the number of columns you want your matrix to have. Press "EXE."
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Input the data. Press "EXE" after each entry to move to the next data field. Press "EXIT."
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Press "Menu." Press "Run." Press "EXE."
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Press "OPTN." Press "F2 (Mat)."
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Press "F3 (Det). Press "F1 (Mat)." Press "ALPHA." Press "A." Press "EXE."
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Tips & Warnings
If you have to find the determinant of many matrices, input all the data into its matrix so all you must do is run them to solve them.
Double-check your matrix data entries; one error will make your determinant wrong.
