A protractor is used to draw and measure angles. An angle is the amount of turn between two lines. Angles are measured in degrees with the symbol °. Angles can be labelled with 3 letters (eg DEF ...

Electronic enthusiasts that need to measure angles on their robotic arm or other projects may be interested in a new proximity sensor that has been created by William Moore called the Protractor.

and a protractor with a scale that reads in 1-degree increments. It also features an instant center of a circle locator, making it an all-in-one tool for precise drawing and measuring. The ...

Now, a physicist has thrown her hat into the ring, arguing that it is the world’s first known protractor ... Among Kha’s belongings were measuring instruments including cubit rods, a levelling ...