There are many more examples. Note that measuring each of these properties will not alter the basic nature of the substance. Examples of chemical properties are: heat of combustion, reactivity with water, PH, and electromotive force.
Mathematical fonts. In mathematical mode you can change the typefaces of the fonts when needed. For instance, it's customary to represent real numbers with a blackboard bold font, or topological spaces with calligraphic font. This article shows several fonts in math mode.
How to install the Open Sans font on your computer. For many years, the TypeWell software used Comic Sans as its default font. With TypeWell V7, the default font was changed to Open Sans. This is a newer sans sarif font that many transcribers (and readers) find preferable to Comic Sans. Open Sans is not included in the typefaces that are shipped with Microsoft Windows.