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History

Since no solution by radicals of equations of higher degrees metic of Grammateus, a teacher at the University of Yienna.

His pupil, Christoff Rudolff, the writer of the first text-book on algebra in the German language (printed in 1525), employs these symbols also.

So did Stifel, who brought out a second edition of HudolfFs Goss in 1553.

Thus, by slow degrees, their adoption became universal.

There is another short-hand symbol of which we owe the origin to the Germans.