Java program that shows conversion lens upon changing in the rule.. NetBeans.

Hello My name is Ahmed, i'm a top rated freelancer. i worked over 400 projects and over 700 hours doing java projects. plus i passed freelancer java v3 exam with score 3.75 plus i got 2 java certificate 1Z0-803 and 1Z0-804 with 3+ years experience. small overview of feedback on my profile "you want to get your projects completed with quality? Hire Ahmed. Highly recommended." "Thoroughly satisfied with Ahmed, and would recommend him to anyone looking for an excellent java developer!" "Highly recommended. Very smart and well experience" looking forward to work with you Regards

The interface seems to be simple but I need more information like what will the software do and the math that you want to use for the graphics.