| 摘要 |
<p>The present invention relates to a ruler having a function of a compass and, specifically, to a ruler capable of drawing circles with various radii by having the principle and the shape of an original compass. According to the present invention for the above effect, a compass having a ruler and functioning as the ruler comprises: a pair of longitudinal frames; a connection part coupled to one sides of the frames, connecting the frames, and rotating the frames; and a measurement part having scales formed along the longitudinal directions of the frames, wherein one of the frames has a compass needle therein and the other has a pencil insertion part on one surface thereof.</p> |
