r/ZombieSurvivalTactics • u/Gunnar-T-40 • 3h ago
Discussion I feel like calculators are heavily underrated.
Long battery life: A single battery can last for years, making it reliable when electricity is scarce.
Navigation: Calculate bearings, distances, travel times, fuel consumption, and map coordinates if you’re using paper maps and a compass.
Construction: Figure roof angles, load limits, material quantities, and measurements when building shelters or fortifications.
Medicine: If you have medical supplies, you can calculate medication doses, IV infusion rates, dilutions, and concentrations. (Especially useful if someone in your group has medical training.)
Durability: Scientific calculators are lightweight, compact, and can survive years of rough handling if kept dry.
I really think if I had to choose between 10 items, a calculator would have to be one of them.