english
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Dr. Bea – the public examination
Me and my wife tried to travel to Iceland last summer. Because of the covid we had to postpone it to my Autumn holiday. It just happened that friend Bea’s doctor public examination was on that week at the University of Iceland, so of course we had to go to see it. Her dissertation title Continue reading
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Layers in GeoGebra
When you create objects that overlap in Graphics window, then the newest will be on top. In this article I will show how to change the order of the objects. Revathy, my Fulbright sister asked me to translate this article from Finnish. So I had to do it. Create two triangles and change the colors Continue reading
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How many points, segments, triangles and quadrilaterals?
A couple of weeks ago I saw a simple problem in Facebook or Twitter. It was about how many triangles there are were in a picture. I started solving the problem with pen and pencil. I think the original problem looked like this. The question was how many triangles you see in the picture. I Continue reading
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IGCI 2021 talk on Using GeoGebra for Statistic
I am really honored to be invited to this conference. It is always very inspirational to work with teachers from different countries. I think we teachers around the world are very same kind of people. We love our subject, we love the kids, students and we want to help them to get a better life. Continue reading
