ShellCalc© Pro is an Excel spreadsheet designed to input and plot the trajectories of a variety of professional firework types (Shells, Comets, Bombettes, Mines and Fountains) under user-inputted wind conditions and model where the debris and “blinds” may fall.
For more information see https://youtu.be/56z-MRYoqIs
Due to the pandemic, this year (2021) we are offering 50% payment upfront and 50% on 1st July
**NOTE** - ShellCalc© Standard version will remain free
For more details - click here
