Using the original requires three pieces of raw data from your game screen. You do not need to install anything; the classic V1 is a static HTML/JavaScript page or an Excel sheet.
: It models wind drift, spin, and trajectory to suggest the optimal power and aim offset.
If you want, I can reconstruct a for V1 so you could manually calculate a hole-in-one in Pangya without software – essentially the “paper version” of the calculator.