how to draw a curve in ppt2007:
Open PPT2007 and create a new slide.
Right-click the slide, choose a blank layout, and wait a moment to draw the curve here. Click the Curve tool.
Drag the mouse over the slide, click where you want to turn, and then start turning.
Double-click where you want to stop, so you stop drawing.
Draw a curve similar to a parabola, as shown in the following figure. Using the Curve tool, just pay attention to two points: Click at the corner of the strange Bend and double-click at the stop.
Any curve tool, is a pen, where the painting to calculate where, as good as a pencil. Click any curve tool.
Draw any curves on the slide and finish. In contrast, the former paint is relatively smooth, the latter has angular. The latter is the advantage of arbitrary drawing, the former relatively difficult to control the direction of the curve.