Artifact Details Title XDS Sigma 5/7 mathematical routines technical manual Catalog Number 102698541 Type Document Description includes documents: XDS Sigma 5/7 extended Fortran library technical manual Programming for Calcomp digital incrementsl plotters Date 1966-1970 Publisher Xerox Data Systems, Inc. (XDS); California Computer Products, Inc. (CalComp) Category Manual Collection Title Sigma 5 Computer System Credit Courtesy of Carnegie Mellon University Lot Number X2473.2002