The Percent Protractor

Teachers and students studying elementary geometry will enjoy learning how to use The Percent Protractor©. Users can measure angles as with a simple protractor, but can also do much more. Step-by-step directions are included to construct the six triangles of elementary geometry. The most unique feature is its ease of use when creating circle graphs. The percent increments streamline this process to minimize errors in construction. This ebook may be freely installed on teacher and student iPads.