# Mathematical Symbols Page #7

#### This page lists all the various symbols in the **Mathematical Symbols** category.

This is a list of symbols found within all branches of mathematics.

## Symbols in this category:

### Pi

The number pi (symbol: π) /paɪ/ is a mathematical constant that is the ratio of a circle's circumference to its diameter, and is approximately equal to 3.14159.

### Pi

Pi is a name given to the ratio of the circumference of a circle to the diameter. That means, for any circle, you can divide the circumference (the distance around the circle) by the diameter and always get exactly the same number. It doesn't matter how big or small the circle is, Pi remains the same. Pi is often written using the symbol

### Proper Subset (also called a strict subset)

A proper subset is subset that has few elements than the set, i.e., the subset can not be the original set.

### Proper Superset (also called strict superset)

A proper superset is a superset that has more elements than a set.

### Relative Complement

Refers to objects that belong to one set but are not in the other set.

### Citation

#### Use the citation below to add this symbols category to your bibliography:

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"Mathematical Symbols." *Symbols.com.* STANDS4 LLC, 2024. Web. 22 Apr. 2024. <https://www.symbols.com/category/36/Mathematical+Symbols>.

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