CalcTestlevel.js

#Test Level Formula
# Telerik Kendo UI Calculator

        txtcalc:"",
        calculo:null,
      Calcc : function(e){
       if (!this.txtcalc) {
              navigator.notification.alert("Write your level:");
              return;
          }   
       calculo = ((50 * Math.pow(this.txtcalc,3) / 3) - (100 * Math.pow(this.txtcalc,2)) +  (850 * this.txtcalc / 3)  - 200);
       console.log(calculo); 
       this.set("calculo", calculo);
      },