INFORMATION PROCESSOR AND PROGRAM THEREFOR

PROBLEM TO BE SOLVED: To solve the following problem of an electronic pen and an information processor processing information form the electronic pen in conventional technology: it is not assumed that a plurality of persons (a plurality of electronic pens) execute cooperative work on one sheet of paper. SOLUTION: This information processor receives information from a plurality of electronic pens recording the information to one medium, acquires a pen identifier identifying the electronic pen, a medium identifier that is information for identifying the medium, and record information on the basis of the information from the electronic pens, and correlates and stores the pen identifier, the medium identifier and the record information. The information processor allows later use of the information recorded to the one medium by a plurality of persons, and is suitable for the cooperation work by the plurality of persons. To be concrete, an answer of a pupil, and rating or a comment of a teacher are automatically related by the medium identifier. Accordingly, when the information processor has an output function or when environment allowing output by another device is present, the answer of a test and a rating result or the like can be compounded and outputted. COPYRIGHT: (C)2004,JPO&NCIPI