Choose View - Scroll Bars - Horizontal Scroll Bar.
From toolbars:
水平スクロールバー
When dragging the horizontal scroll bar handle, a tooltip shows the leftmost cell column number displayed on the left of the view area.
垂直スクロールバー
Display the vertical scroll bar.
このコマンドの見つけ方
「メニューバー」から
Choose View - Scroll Bars - Vertical Scroll Bar.
From toolbars:
垂直スクロールバー
When dragging the vertical scroll bar handle, a tooltip shows the page number, the total pages in the document and the heading text of the first displayed line on the top of the view area.
When dragging the vertical scroll bar handle, a tooltip shows the topmost cell row number displayed on the top of the view area.