@techreport{NowakPoehleRoitzsch1996, author = {Ulrich Nowak and Uwe P{\"o}hle and Rainer Roitzsch}, title = {Eine graphische Oberfl{\"a}che f{\"u}r numerische Programme}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {SC-96-13}, language = {deu}, year = {1996} }