ExtJS 4.2.0 Calculator

I created Calculator widget wich can work with ExtJS 4.2.0 and higher.

Example, for use you need add this code:

Ext.widget('vdncalc', {

    title: 'Test Calculator ExtJS', 

    renderTo: Ext.getBody() 

});
Example:

You can download library and demo from Github https://github.com/vodun/Vdn-widget-Calc