Solve problems by entering three of four variables. Calculate using the of . Store calculations in a history log. Display detailed step-by-step solutions. Support for fractions and decimals. Allow entry of constants. No advertisements.
Calculate pH, pOH, [H⁺], or [OH⁻] from any one value. Input concentration or ion activity to solve for missing variables. Automatically handles strong and weak acids/bases using provided Ka or Kb values.
Calculate temperature and air pressure based on altitude. Read current altitude via GPS or ASTER data. Access device barometer for pressure readings. Search for any location's altitude using GeoNames. Manually adjust altitude settings.
