Convert numbers between bases 2 to 20. Perform arithmetic operations in different bases. Display results in decimal, binary, and hexadecimal formats. Adjust number system settings for custom calculations. Export calculation history for review.
by Nic Kolbe★ 0.00 ratingsUtilities$0.99Data updated 2026-09-06
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.
The app computes the ideal gas equation PV=nRT with any of the four parameters as the free parameter. Users can select different units for pressure, volume, and temperature to see computation results.