関連ワード:  how to make a step plot in excel    how to make a step chart in excel    how to make a step graph in excel    how to make a step function in excel    how to create a step chart in excel without dates    how to do a step function in excel    how to make a stair step graph in excel    how to make a step line graph in excel    how to make a step function graph in excel    how to make a step down chart in excel