為解決某一問題而作出的計畫，包括規劃和編碼、數值分析、系統分析、列印格式規定以及把計算機結合進一個系統所必需的其它功能。A plan for the solution of a problem; consists of planning and coding, numerical analysis, systems analysis, specification of printing formats, and any other functions necessary to the integration of a computer in a system.