Format menu

Bond - fixed length and angle: If this menu item is checked, bonds will be drawn to specific lengths and angles.

Arrow - fixed length and angle: If this menu item is checked, arrows will be drawn to specific lengths and angles.

Set background color: This menu item allows you to change the background color of the drawing area.

Toggle grid (Ctrl+G): Draw a square or hexagonal grid in the background. It's also possible to snap to grid, but that is set in Drawing settings, below.

Drawing settings... This item opens a dialog where you can set the lengths and angles of bonds and arrows and specify other format settings, such as double bond spacing.

XDC settings... This option allows you to set menu and ruler fonts, in the event the system defaults are unusable.

Main help page