ggbApplet.evalCommandCAS()
Example
ggbApplet.evalCommandCAS("f(x):=x^4-1");
var sol=ggbApplet.evalCommandCAS("CSolutions[f]");
alert("The solution of the equation x^4-1=0 is "+sol+".");
alert("The type of sol is "+typeof sol+".");
var ary=sol.substring(1, sol.length-1).split(', ');
alert(ary);
alert("The type of ary is "+typeof ary+".");
for (var i in ary) {
alert("ary[" + i + "]=" + ary[i]);
}