(phixonline)--> with javascript_semantics function map_range(atom s, a1, a2, b1, b2) return b1+(s-a1)*(b2-b1)/(a2-a1) end function for i=0 to 10 by 2 do printf(1,"%2d : %g\n",{i,map_range(i,0,10,-1,0)}) end for