1. A system for enabling user interaction with computer software, the system including a printer for: receiving print data; printing a form, using the print data, by printing: information related to at least one text field; and, coded data at least partially indicative of the at least one text field, the coded data being coincident with the information; receiving indicating data from a sensing device, the sensing device, when moved in an operative position relative to the at least one text field, sensing the coincident coded data and generating the indicating data using the sensed coded data, the indicating data being at least partially indicative of movement of the sensing device relative to the at least one text field; and transferring the indicating data to a computer system to allow the interaction to be interpreted, the computer system being for: determining, using the movement, a handwritten signature; determining, using a user identity, a predetermined signature; and verifying the user by comparing the handwritten signature to the predetermined signature, wherein the indicating data includes an identifier obtained from the sensing device, and wherein the computer system is for: determining, using the indicating data, the identifier; and, determining, using the identifier, the user identity.