Round protractors tools for angle measure scale 180 and 360 degree set realistic vector illustration. Geometric drafting drawing instrument construction mathematical gradation. Curve circle ruler Math ...

In it, she demonstrates how easily our humble appendages can make us look like fiddly geniuses – or at least like common math whizzes – if only we'd allow ourselves the necessity of reinvention.

Japanese means the same as the English title. This illustration has elements of pen, pencil, notebook, scissors, document, book, etc. Protractor circular scale bar overlay for measuring tools.