var fDesc=new Array(); fDesc[0] = "This program is for geometric construction, not necessarily by ruler and compass, see exact values of constructed coordinates of points, distances, trigonometric values of constructed angles etc.
This version of a program "Ruler and Compass" includes new algebra module, quadratic functions and cubic functions module. One of new features is a calculator, which computes with accuracy (up to) 900 significant digits. There is a separate software Calculator of Literka installation program 'installcalc.exe' which you can download free."; 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 = ''; } }