var fDesc=new Array(); fDesc[0] = "QuadEquations teaches the solution of quadratic equations by factorisation, by completing the squares and by formula. Special cases of equations involving perfect squares and difference of two squares, using special formulas are also included. It also shows how the formula is derived by using the completing the squares method.

QuadEquations is capable of generating thousands of quadratic equations for drills to ensure that the student masters the skills in solving quadratic equations."; 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 = ''; } }