Prime marks are, at their most basic, simply a way to count things. The marks were originally used in mathematics. The marks can mean a few different things, but they are most c… See more

Although apostrophes or quotation marks are usually used to write prime marks in modern times, an apostrophe and a prime mark are not actually the same. Prime marks shou… See more

Prime marks are used for many applications aside from measurements. They can be used for mathematics in a variety of ways. Aside from marking variables, t… See more

Feet and inch measurements are derived from the average length of a person’s foot and thumb. People in ancient times could easily use their own feet or hands to measure th… See more