0001012870-98-000720 424B3 1 19980323 NYSE HEWLETT PACKARD CO 0000047217 3570 941081436 CA 1031 424B3 33 333-44113 98571226 3000 HANOVER ST PALO ALTO CA 94304 4158571501 3000 HANOVER ST MS 20BQ PALO ALTO CA 94304 424B3 1 000101287098000720-001-seq1-424b3.txt PROSPECTUS SUPPLEMENT