Isaac Auerbach (1921-1992) joined the staff of the Eckert-Mauchly Computer Corporation to work on the UNIVAC project in June of 1946. One of his initial assignments was to survey and analyze the "large-scale computing projects" that were underway in the various computational laboratories throughout the country. This report goes through the history of analog computing, the development of digital computing and computational theory, current computer development projects at research institutions and commercial firms, and the commercial market for electronic digital computers.