Portable multifunctional mathematical drawing tool

The utility model discloses a portable multifunctional mathematical drawing tool. The device comprises a fixed plate and a length plate, the angle plate is fixedly mounted on the fixed plate; angle scales are arranged on the angle plate; a rotating groove is formed in the fixed plate; the end of the length plate is inserted into the rotating groove; according to the utility model, the fixed plateis provided with the length plate; length scales are arranged on the length plate; uSE IN MEASURING LENGTH, the angle plate arranged on the fixing plate can be used for measuring the angle; the end, inserted into the rotating groove in the fixing plate, of the length plate is movably connected to the fixing rod in a sleeving mode. And meanwhile, the two compass rods are movably arranged on the shaft rod of the fixing block in a sleeving mode and can also be used as compasses, so that the drawing device is high in functionality, and the length plate, the angle plate and the compass rods are allarranged on the fixing pl