var fDesc=new Array(); fDesc[0] = "This calculator calculates derivative functions of high orders in symbolic and numeric forms. Numerical coefficients and values are calculated with precision 27-36 digits. Obtained symbolic formula can be used with calculators Precision series, and with Graphing Calculator 2D Numeric, Graphing Calculator 2D Parametric, and Graphing Calculator 2D Polar for drawing graphs."; 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 = ''; } }