Write here some application ides, what you want to see implemented in paroli. Give as many details, pictures, sketches, draws as possible.
Here is the dashboard pic: File:Http://people.openmoko.org/sean/specifications/images/osx dashboard calculator.png
Pretty good layout: File:Http://web.uvic.ca/~chem232/Calculator.jpg
Most widely used layout: File:Http://img.alibaba.com/photo/201077725/T 108 Scientific Calculator.jpg