Hello, I would like to ask you if there is a way to use graphics in 
windows. I installed FriCAS through sagemath and when I start it by typing 
fricas in sage shell I get an error "viewman not present, disabling 
graphics". Fricas is working just fine but when I try to plot something it 
just does not work. I tried this  "draw ( cos (5* t /8) , t =0..16*% pi , 
coordinates == polar )".Thank you for any responses.

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