var fDesc=new Array(); fDesc[0] = "Linear Algebra Decoded is a program designed to assist students in the subject of Linear Algebra, although it has features for professors, including the ability to generate tests where problems are customized and solutions are in the field of integers. It provides step-by-step solutions with detailed explanations, of 60 different problems concerning matrices, determinants, linear equations, vector spaces and linear transformations. It works with five different data types: matrices, systems of linear equations, vector subspaces, sets of vectors and linear transformations."; 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 = ''; } }