var fDesc=new Array();
fDesc[0] = "7math is a free and simple but powerful software to solve equations .
Main Features:
Features :
- Find roots .
- Find extremums .
- Calculate integral .
- Calculate derivative . New
- Find local maximum/minimum .
- Draw graph .
- Save results to text & html files.
- Free of charge .";
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 = '';
}
}