Hello,
I am an experienced Java Professional having 6 years of experience in Software development and Enterprise System Integration on Java platform. I understand that you are looking for Expert for making calculator for your desired requirement, so I wanted to briefly introduce myself and let you know that
I have good Knowledge with Key Skills on Java, J2EE, Bootstrap, Angular JS, NodeJS, ExtJS, JavaFx, Web Services(SOAP,REST),Google App engine, Amazon Web services, PHP, JOOMLA,HTML, HTML5, CSS, Ajax, jquery, JavaScript, Mysql.
Also worked on Frameworks like JSF(Primefaces), Hibernate, JPA, Struts, EJB, Spring.
I am sure i can build this requirement Quick so Message me soon on this.