The business management system generates elapsed time corresponding to coordinate transformation on each writing medium handwriting and transmitting means for transmitting the device data, handwriting data performs character recognition based on the handwriting data.
The business management system, characterized by comprising: reading means, having means for detecting pen point coordinates of the pen to write on the writing medium handwriting pen generates elapsed time corresponding to coordinate transformation on each writing medium handwriting and transmitting means for transmitting the device data, handwriting data; character recognition means performs character recognition based on the handwriting data; service processing means, string, a predetermined service processing according to the recognized text.