A gray pentagon with a beveled edge on which a chart is shown. The chart has two perpendicular axes and it shows a zig-zaging arrow going up. There is a star below the chart which is filled with a series of ones and zeros so as to depict a digital (or computerised) process. computerised optimisation optimization computerized improvement chart graph digital artificial デジタルの最適化
education inservice presentation office people meeting work graph activity hash graphs Graphs clip art グラフ 円グラフ メディア 教育インサービス プレゼンテーション Office 人会議作業グラフ アクティビティ ハッシュ グラフ
