You'll need to include more than a basic level of development and calculation in your spreadsheet. There are lots of free spreadsheets on the web. Most of which are very simple and easy to build. People aren't going to buy a spreadsheet that they can get for free. Take yours to the next level by adding all the value you can imagine. Then research on how you can offer a little bit more on the development and functionality side.
Early databases available for the PC market were simple two-dimensional solutions and were essentially designed as a record-keeping system. However, when computing power increased, the advent of the relational database became an affordable option. Applying the rules proposed by Edgar Codd, the Database Management System (DBMS) became a reality, with products such as dBase being widely implemented in the desktop market.
One user at a time : In the instance where there are a number of people required to work on a spreadsheet, they can only access it when no-one else is working on it.
Undoubtedly, spreadsheets can help you improve the efficiency of your company regardless of the nature or size of your business. However, it is very important to note that the process of programming formulae and mathematical algorithms behind spreadsheet programs can be very complex and time consuming; one having to invest much effort to create the most appropriate spreadsheet solution for one's company.
examples of spreadsheet packages