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.
Periodically, thereâs a need for a font that oozes with personality, whether that personality is warehouse party, Pad Thai or Santa Claus. And this need brings us into the vast wilderness of Display typefaces, which includes everything from Comic Sans to our candy-cane and bunny fonts.