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In GeoGebra complex numbers can also be used. In the previous versions of GeoGebra a complex number was created by entering the appropriate form (x + iy) in the Input line.
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z = 3 + 2i
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z = 3 + 2i
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z = 3 + 2i
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z = 3 + 2i
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z = 3 + 2i
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z = 3 + 2i
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z = 3 + 2i
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z = 3 + 2i
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z = 3 + 2i
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z = 3 + 2i
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z = 3 + 2i
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z = 3 + 2i
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z = 3 + 2i
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This produced a complex number.
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Another way in which a complex number can be created is by creating a cartesian point with New Point tool and  then changing it into a complex number. This is how it is done.

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Select New Point tool.
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A single click produces a cartesian point.
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Move the cursor onto the point, click with the right mouse button and select "Object Properties..." in the menu.
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Click on Algebra.
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Select Complex Number.
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The point has now "become" a complex number.
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These two procedures can still be used, but there is now an easier way.
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With the new Complex Number tool a complex number can be created with a single click in Graphics View.
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