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 materials for slabs with precise volume and quantity estimates. Input dimensions and select units. Convert measurements and view results in cubic meters, yards, or feet. Export data for project planning.
Create and edit musical scores using handwriting input. Render notes into professional notation and playback. Adjust note pitch and duration by dragging. Use split screen and dark mode. Access 128 General MIDI instruments and unlimited tracks.