1. Fix the meterial of which the process is completed on the fixation device.

2. Set product central point to be the same as the drawing.

3. Input center point machine coordinate of product into the edit box (machine coordinate of the processing starting point) to first line.

4. Input the drawing coordinate of the hole which it will used as a standard into the second line edit box (the standard hole drawing coordinate).

5. Input a center machine coordinate of decided hole into the edit box in third line.

6. Press the result button and calculate the rotated angle on a center.