def _(F1=input_box(default=x-z,width=15),F2=input_box(default=z+x^2,width=15),F3=input_box(default=x+sin(y),width=15),p=("Point", input_grid(1, 3, default=[1,2,-1])),vectors_to_plot=slider(3,7,1,5,label="Density"),ct=checkbox(default=False,label="Show Curl Vector")):

    
    
    Evaluate
    

        

            
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