Calculate margins for listings by entering item price, shipping cost, and sale price. View total item cost, fees, and expected . Save calculations for later export.
Calculate activation times for smoke detectors, heat detectors, sprinklers, and rate of rise heat detectors using power-law functions from the SFPE Handbook Fifth Edition. View validation tests and additional information within the .
Calculate pace, distance, or time for running or walking. Switch between calculation modes. Use metric or imperial units. Access four themes, including dark modes, after in- purchase. No internet required.
