When you turn a point around another point in the coordinate system, then you can do the following:

1. Choose -button.
2. Set the point, to be rotated. (punkt A)
3. Then insert the point, which are rotated about. (point B)
4. Select 'Rotate object around point by angle'--button.
5. Now select the point, to be rotated. (punkt A)
6. Then select the point, which are rotated about. (point B)
7. Enter the number of degrees, A point to be turned around the B.
8. Select whether it should be clockwise or counter-clockwise.
9. Now you have turned a point around another point.

TIP! You can use the input box to enter the points in the coordinate system. Write for example, A =(3,4) to set point A in (3,4). Be aware of, you should use sentence, To use decimal coordinates. For example, A =(3.5 , 4.8).