text: The calculation of a student's emotion would allow for classrooms to be more efficient. Time is a crucial factor when it comes to the amount students learn. Emotion ties into the mood of a human. The mood a student has can cause an increase or decrease in the amount of new information he or she can take in. The calculation of emotion can provide the teacher with information on how it may affect their attention span. "By weighting the different units, the software can even identify mixed emotions,"which would better the teacher, leading to a better classroom.