pH Scale can analyze the pH of certain substances. Test the pH of things like coffee, spit, and soap to determine whether each is acidic, basic, or neutral. Visualize the relative number of hydroxide ions and hydronium ions in solution. Switch between logarithmic and linear scales. Investigate whether changing the volume or diluting with water affects the pH. Or you can design your own liquid.

Requirements:
* Java

The license of this software is Freeware, you can free download and free use this calculator software.