A computer system for enabling handwritten note taking and retrieval utilizing at least one form printable on a surface, said form containing information relating to a notebook activity and including coded data indicative of an identity of said form and of at least one reference point of said form, the computer system including a processor and being adapted to receive indicating data from a sensing device operated by a user involved in the notebook activity, said indicating data regarding the identity of said form and at least one of a position and a movement of the sensing device relative to said form, said processor being adapted to identify, from the indicating data, at least one parameter relating to the notebook activity.