Hold down the Shift key to toggle into fine mode while specifying the rotation angle. TPC reduces the cursor movement to one-tenth, giving you finer control of the rotation angle.on angle.
To rotate objects 90, 180 or 170 degrees, hold down the Ctrl key as you move the cursor to change the rotation angle. TPC will select the ortho direction closest to the current cursor position and rotate the objects to it. Be sure to left click and select the rotation angle before releasing the Ctrl key.
Option 1 - You can use this command to rotate a single object like a point symbol or picture. Use the snap commands to select the insert point of the object.
Option 2 - Many objects can be rotated by right clicking the object and choosing Properties. The object dialog box will contain a Rotation field specifying the clockwise rotation angle for the object.
Toolbar: 
Rotating Objects
Working with Drawing Objects
Selecting Objects
Moving Drawing Objects
Editing Drawing Objects
Editions
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