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This is Peter Bengtssons site about science and especially chemistry, mathematics and physics.


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Monthly thing!


This time I've choosen a math task from our Swedish B-course test.

It's about Geometry and the difficulty is to find something simple that you can work with and find the radious. Please try it!



This Month I've put in some links for those of you who has CASIO calculator

I have a model called CASIO fx-9700GE

A funny thing you can do with your Casio calculator. You can paint a flower very easily. Here it is:

Go to "COMP" menu 1;
Press "SHIFT", "MENU";
Make sure the arrow is on "GRAPH TYPE" (I think it's already on 
"RECT"), now press "f2" where it says "POL";
Now it's suppost to say "GRAPH TYPE : POL";
Press "EXIT";
Press the button "Graph" (so it says "Graph r=");
Then type in: '4sin +3(0 with a line through, two buttons above 7);
"EXE";
Now try to change the numbers in the formula and see the differnce.

 

peter.bengtsson@jonkoping.mail.telia.com