Seven calculator suites in one private offline app: BASIC (percentages, tips, dates, statistics, number bases, powers, roots) · FINANCE (loans, compound interest, retirement, savings goals, credit card payoff, ROI) · HEALTH (BMI, BMR, TDEE, body fat, sleep cycle, pregnancy due date, water intake) · SPACE (relativistic travel time to Moon through Andromeda Galaxy, with full Lorentz-factor math) · CONVERT (200+ units across 12 categories) · BUILD (custom formulas, library, OCC export/import).
Premium typography, refined cards, a 34-button quick-access grid, persistent local storage, and a single shared site footer. Nothing inside is fake.