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.
Set alarms with music from your device or YouTube videos by pasting links. Choose between song, video, or traditional alarm types. Display shows alarm details and playback controls. Manage wake-up settings and media playback directly from the .
Build atoms, ions, and by adjusting protons, neutrons, and electrons. Access atomic theory information and an interactive periodic table. Learn about element composition and historical atomic theory.