1. A system for wireless remote information retrieval and pen-based data entry, comprising: a) a central computer system having memory means containing a plurality of digitally stored forms and for storing data; b) a wireless network coupled to said central computer system, said wireless network including at least one transceiver; c) at least one portable pen-based computer having a position sensitive display, a stylus for writing on said position sensitive display, and a wireless communication means for communicating with said wireless network through said at least one transceiver; d) interface means defining areas on said position sensitive display responsive to said stylus for selecting one of said plurality of digitally stored forms for display on said position sensitive display; wherein upon selection of one of said plurality of digitally stored forms, said one of said plurality of digitally stored forms is transmitted by said central computer system to said pen-based computer through said wireless network and is displayed on said position sensitive display, handwriting written on said position sensitive display with said stylus is transmitted to said central computer system through said wireless network as electronic ink, and said central computer system associates said electronic ink with said one of said plurality of digitally stored forms by creating an association reference code and stores said electronic ink with said association reference code in said memory means for storing data without duplicating said one of said plurality of digitally stored forms so that said electronic ink and said association reference code are stored together with each other, but separate from said one of said plurality of digitally stored forms.