article Free Access Share on The Share 709 System: Programming and Modification Authors: Irwin D. Greenwald The Rand Corporation, Santa Monica, California The Rand Corporation, Santa Monica, CaliforniaView Profile , Maureen Kane International Business Machines Corporation, Poughkeepsie, New York International Business Machines Corporation, Poughkeepsie, New YorkView Profile Authors Info & Claims Journal of the ACMVolume 6Issue 2pp 128–133https://doi.org/10.1145/320964.320967Published:01 April 1959Publication History 7citation520DownloadsMetricsTotal Citations7Total Downloads520Last 12 Months40Last 6 weeks5 Get Citation AlertsNew Citation Alert added!This alert has been successfully added and will be sent to:You will be notified whenever a record that you have chosen has been cited.To manage your alert preferences, click on the button below.Manage my AlertsNew Citation Alert!Please log in to your account Save to BinderSave to BinderCreate a New BinderNameCancelCreateExport CitationPublisher SiteeReaderPDF

Early Experience with PACT ISince PACT is a quite new system our experiences in using it are rather limited (in particular, at the time of the writing of this paper--early August 1955--the final system had been in operation for less than two months).Of the ten to twenty problems coded in the system we can, however, make some general comments.Going in natural drder from flow diagram to final running we have observed the following: