How to find roots of 4th order equation using calculator


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How to solve 4th degree equation in calculator 991ms?

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The Casio fx-991MS comes with a built-in equation solver. This is useful if you already know the process for solving particular types of equations but do not want to go through the rote algebraic and arithmetical processes. The fx-991MS is able to solve quadratic and cubic equations containing one unknown variable, and linear systems of equations with two or three unknowns.


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