• Mathematical Sense/Ability is closely related
  to the designer's ability.
  
  
• Here we list up some aspects of mathematical sense/ability.
  Would you just scan?
  You see that they are just elements of designer's ability.
  
  
• Here the subjects colored red are
  those which we especially focus in this research.
  
  
• But, in fact, it is very difficult to express verbally
  the relation between mathematical sense/ability and designer's trait.
  We can feel the relation and confident of it,
  but it is difficult to express it.
  It remains as a kind of technical problem for us.