Suggestion : Add remove Equation

[alghraibeh]

Please add this code to remove selected graph

this.removeInput=function(){ if(eval(this.currEq)==0){ this.refreshInputs(); jsgcalc.draw(); return; } jsgcalc.lines.splice(eval(this.currEq), 1); this.currInput--; this.refreshInputs(); jsgcalc.draw();

    }

to jsgui.js