The capital Latin letter R is used in mathematics to represent the set of real numbers. Usually, the letter is presented with a "double-struck" typeface when it is used to represent the set of real numbers.
| Symbol | Format | Data |
|---|---|---|
| R | Unicode | |
| TeX | |
|
 |
SVG |
The set of real numbers contains the set of rational numbers as well as irrational numbers like pi, e, and the square root of two.
The Latin Alphabet is a collection of 26 symbols that form the basis of the English language. The alphabet's symbols are used throughout mathematics to represent variables, constants, and coeffecients.
The latin letter r is used in math as a variable. It appears in geometric equations as a variable to represent the radius of a circle.