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The vast majority of Chart types offered by Excel should NEVER be used! Our next example shows the graph-types available as pyramid charts. None of these choices shown below represent good graphs! All but the last one display false third dimensions. In addition they all suggest stacked displays that are known to be poor ways to make comparisons.
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The PathTool will allow you to directly edit the current item’s motion path, right in a Layout viewport! To use, simply activate the PathTool and drag any of the current item’s keys. The perfect tool for tweaking an item’s motion path. Note that the key will only move along the vertical and horizontal axes of the view, even in perspective. The PathTool command is in the Tools group. Figure 1: Adjust keys interactively with your mouse using the Path Tool Bone X-Ray There is an option to make bones visible inside opaque objects. To use, activate the Bone X-Ray option on the titlebar (see Figure 2).
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Understanding astigmatism

Astigmatism in an aberration that results when an optical system focuses two … exhibits no astigmatism. The lens is symmetric in the horizontal and
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