If you are moving around and still want to connect with your business, then you must need a online software.
In some scenario, you will need some calculations over raw data, that may be simple or complex, over a different sets of data, then you must need a software company to develop a custom software for you, which will generate all your data or Calculation or report on the click of mouse within seconds.
So for quick report generation on different parameters with accuracy you need a software. When you want, wherever you want, you just need an internet connection and a pc or mobile or laptop.
Hope you like my article on necessity of Software requirements.
Thank you all
Biswarup Roy Chowdhury