... hydration requirements based on duration. Solar & LPG: Energy consumption modeling for off-grid scenarios. Request for Feedback: I am looking for honest, critical reviews on the logic of these calculators. Are the variables (e.g., LPG consumption or caloric burn) aligned with your real-world data? Is the UI too utilitarian, or does the simplicity help in a high-stress "prepping" context? What essential calculation is currently missing from the suite? I am currently 90% finished with an advanced Android ...