var fDesc=new Array(); fDesc[0] = "Function Grapher is a graph maker to create 2D, 2.5D and 3D function graphs, animations and table graphs. It's very useful for teachers and students to teach or study algebra, calculus etc.

Features:
- Creating 2D function graphs, animations and table graphs on Function Grapher
- Creating 2.5D function graphs, animations and table graphs on Function Grapher
- Creating 3D function graphs, animations and table graphs on Function Grapher
- Creating color map, contour plot and vector field on Function Grapher"; function tShowHide(id, show) { var s = document.getElementById("desc"); if ((s.innerHTML.length<=212 || show==1) && show!=2) { s.innerHTML = fDesc[id]; if (document.getElementById('m1')) document.getElementById('m1').style.display='none'; if (document.getElementById('m2')) document.getElementById('m2').style.display='none'; if (document.getElementById('more_txt')) document.getElementById('more_txt').style.display='inline'; } else { s.innerHTML = ''; } }