Additional Calculators: - Hourly Wage Estimate - Average Tip Per Hour - Time Difference overnight (military time) - Time Difference overnight (AM/PM) - Time Unit Conversion (Days, Hours, Minutes, and Seconds) This app features: • Send your calculations or conversions by social media or email • Universal App (iPhone, iPod Touch, and iPad) • Retina Display graphics • Fast app switching • Automatically Saves Your Inputs • Latest version of iOS is supported • All iPhone screens are supported No network connectivity required.