Hello, first of all, thanks to providing detailed information about your requirement. I examined the requirement regarding Calculator and decided to work for you.
I have command on Web development due to having more than 7 years experience in PHP, JavaScript, CSS, HTML, Responsive, Graphic Design, User Interface / IA, Navigation Architecture, UI/UX, jQuery, Ajax, MySQL, OOPS, MVC, Yii framework, Laravel, and WordPress.
I believe to provide masterpiece solutions with optimum time and Price.
Waiting for your positive response,
Thanks and Regards,
Abhishek