An Easy Course in Using the HP-17BIIde CoffinEdiciones (1)An Easy Course in Using the HP-17BII (1991)Grapevine Pubns · ISBN 9780931011207Más obras de CoffinThe Life and Adventures of Nathaniel Pearce; Volume 1MMainstays of MaineMainstays of MaineAAn Easy Course in Using the Hp 95LxAn Easy Course in Using the Hp 95Lx