Barometer (org.jastrzab.barometr) on Google Play
● Selectable pressure unit (hPa, mmHg, inHg, atm, psi) ● Barometric altimeter (m, ft) ● Easy to use calibration ● Able to save user reading ● History of readings with graph ● Pressure change trend ● Scalable desktop and lock screen widget ● Ability to export readings history to CSV file ● Ability to save current graph view to image file ● How to calibrate ?Slide pressure indicator to expected position and click +/- button on action bar