What Is a Digital Protractor?

It can replace triangle plate, ruler, compass, protractor, and can be composed of various flat and three-dimensional graphics. It is an intuitive teaching aid and learning aid in mathematics teaching.

Digital universal board

Right!
It can replace triangle plate, ruler, compass, protractor, and can be composed of various flat and three-dimensional graphics. It is an intuitive teaching aid and learning aid in mathematics teaching.

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