\nvar BOARDID1='JSXBoardc';\nvar BOARDID0='JSXBoard';\n\/\/ <jsxgraph width="500,200" height="500,200" numberOfBoards="2">\n\nvar true1=true; \/\/ true or false\nvar JSXBoard_b = JXG.JSXGraph.initBoard(BOARDID0, {\nboundingbox:[-8,8,8,-8],\nshowCopyright:false,keepaspectratio:true,\nzoom:{pinchHorizontal: false,pinchVertical: false},\npan:{needShift: true,needTwoFingers: true,enabled: true},\naxis:true1, grid:true1,\nshowNavigation:true1\n});\nvar JSXBoard_c = JXG.JSXGraph.initBoard(BOARDID1, {\nboundingbox:[-8,8,8,-8],\nshowCopyright:false,keepaspectratio:true,\nzoom:{pinchHorizontal: false,pinchVertical: false},\npan:{needShift: true,needTwoFingers: true,enabled: true},\naxis:true1, grid:true1,\nshowNavigation:true1\n});\nJSXBoard_c.addChild(JSXBoard_b);\nvar p = JSXBoard_c.create('point', [1,2]);\nvar pp = JSXBoard_b.create('point', [function () {return p.X();},2]);\n\nJSXBoard_b .create('segment', [[0,0],[1,1]], {strokeWidth:1, strokeColor:'black', showInfoBox:false, visible:true, size:2});\n\n\/\/ </jsxgraph>\n