Answer card (also called information card) is the carrier of information input in cursor reader, and it is the general name of various information input forms that support cursor reader. The information card converts the information needed by users into optional options for users to scribble. OMR equipment sets recovery information according to painted and unpainted information points and format files.
Postgraduate entrance examination mathematics enrollment major:
According to the different requirements of engineering, economics and management disciplines and majors for graduate students' mathematical knowledge and ability, there are three kinds of mathematical examination papers for graduate entrance examination, of which Math I and Math II are engineering and Math III is economics and management.
Refer to the above content: Baidu Encyclopedia-Postgraduate Mathematics