�œ Measuring software of geometrical elements: Point, line, circular, face, sphere, arc, ellipse, circular cylinder, taper, keyseat, curve, curved surface, etc. �œ Structural software of geometrical elements: Projection, central difference, intersection, contact, mirror image, fitting, translation, perpendicularity, parallel, combination, rotation, offset line, offset face, etc. �œ Software of shape and location tolerance: Degrees of straight line, plane, circular, circular cylinder, taper, sphere; distance; included angle; degrees of perpendicularity, parallel, inclination, position (2D and 3D) and symmetry; axiality, concentric degree, jumping, etc. �œ Setting up parts coordinates system with multi-forms: Machinery coordinates, parts coordinates, rectangular coordinates, mutual transformation of polar coordinates, translation and rotation of coordinates system, etc. �œ The direct-visualized tabular form adopted to select the measuring heads to be corrected has the auto-correcting function and supports the replace rack for the head.