APLDOT modeling language
An example of an early "industrial weight" spreadsheet was APLDOT, developed in 1976 at the United States Railway Association on an IBM 360/91, running at The Johns Hopkins University Applied Physics Laboratory in Laurel, MD.[9] The application was used successfully for many years in developing such applications as financial and costing models for the US Congress and for Conrail The Consolidated Rail Corporation, commonly known as Conrail , was the primary Class I railroad in the Northeast U.S. between 1976 and 1999. The federal government created it to take over the potentially profitable lines of bankrupt carriers, including the Penn Central Transportation Company and Erie Lackawanna Railway. With the benefit of. APLDOT was dubbed a "spreadsheet" because financial analysts and strategic planners used it to solve the same problems they addressed with paper spreadsheet pads.
<<Table of Contents A spreadsheet is a computer application that simulates a paper worksheet. It displays multiple cells that together make up a grid consisting of rows and columns, each cell containing either alphanumeric text or numeric values. A spreadsheet cell may alternatively contain a formula that defines how the contents of that cell is to be calculated from | Next>> | Show All>>
