Operating graphical objects has never been that convenient:
To clone a graphical object:
- Point mouse cursor on a drawn object
- Hold CTRL and use left mouse button to drag a cloned object
To make a circle out of ellipse:
- Select Ellipse on the drawing toolbar
- Put its first point on chart
- Hold SHIFT and put the second point to define diameter of the circle
To make a square out of rectangle:
- Select Rectangle on the drawing toolbar
- Put its first point on chart
- Hold SHIFT and put the second point to define diagonal length of the square
To draw a multiple of 45 degrees angle:
- Select a trend object on the drawing toolbar, e.g. Trend Line
- Put its first point on chart
- Hold SHIFT and move mouse cursor to choose an angle
This shortcut works with Trend Line, Trend Angle, Disjoint Angle, Flat Top/Bottom, Ray, Parallel Channel.