Secant and tangent: Difference between revisions

Revision as of 13:46, 16 January 2009

@@ Line 85: / Line 85: @@
          sg = board.createElement('slider', [0,-3,4,0,1,1],{name:' '});
          qg2 = board.createElement('point', [function(){ return qg.X()+sg.X();},
-                             function(){ return f(qg.X()+sg.X());}], {style:7});
+                             function(){ return g(qg.X()+sg.X());}], {style:7});
          eg = board.createElement('point', [function(){ return qg2.X()-qg.X();},
                         function(){ return (qg2.Y()-qg.Y())/(qg2.X()-qg.X());}], {style:7,name:'Sekantensteigung',trace:true});