'Zisterne 2003' software calculates the best size for rainwater storage.

One of the primary features of Zisterne 2003 is the assistant that guides you through the process of gathering all relevant information. This feature can be quite useful, especially for those who are new to the concept of rainwater storage.
For more experienced users, the expert mode allows for rapid entry of required data. This feature is particularly useful if you already have some knowledge of the required information and want to get your results quickly.
Geographical support is also available in Zisterne 2003, allowing you to measure the average rainfall in your location. However, this feature is not available in the demo version.
If you are looking for detailed help, Zisterne 2003 provides comprehensive information in German. Additionally, this software also offers in-depth background information about planning your rainwater utilization system.
Zisterne 2003 allows you to print a report with recommendations, but once again, this feature is not available in the demo version.
Finally, a highlight of Zisterne 2003 is the fill level simulation, which uses Monte Carlo algorithms to calculate the optimal size of your rainwater storage. This simulation can help you to visualize different scenarios, giving you a better idea of how much water you need to store.
Overall, Zisterne 2003 is a great software for anyone interested in determining the optimal size of their rainwater storage. If you want to learn more, you can visit their website for more information.
Version 1.0: N/A