Compass is a tool for drawing circles or strings in mathematics and drawing, and is often used for drawing with a ruler.
Chinese name
compass
Foreign name
compass
material
Metal, plastic
function
A tool for drawing circles or strings.
spell
Lady Yang
kind
stationery
form
Compasses are usually made of metal and consist of two hinged parts, which can be adjusted.
classify
Compasses are divided into ordinary compasses, spring compasses, point compasses, beam compasses, old compasses, mechanical pencil compasses and movable small compasses.