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The lineup included courses like Differential Equations, a core part of the engineering curriculum, and higher-level math, such as Theory of Equations.

From this point of view the theory of equations of the fifth degree has been exhaustively treated, and the problems presented by certain equations of the sixth and seventh degrees have actually been reduced to normal form.

His mathematical researches were also concerned with the theory of equations, but the question as to his priority on several points has been keenly discussed.

The branch of mathematics called the Theory of Equations is conventionally restricted to equations of this type.

See also below, Theory of Equations, � 17 et seq.