var fDesc=new Array(); fDesc[0] = "Matrix Calculator Pro is a professional windows software which can calculate matrix with real numbers and complex numbers. The complex number support for Polar format. Complex and Polar format can be changed easily. You'll get the results of matrix calculation, such as 'Matrix inverse', 'Matrix rank', 'LU factorization', and so on. As you see, it's easy, various, and effectual. Download and try it. Download Matrix Calculator Pro support for complex numbers."; 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 = ''; } }