# Mathematical Symbols Page #6

#### 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:

### Not Almost Equal To

Symbols used to denote items that are not approximately equal.

### not element of

Indications that an element is not a member of a set.

### Not less than or greater than

Specifies that one value is not less than or greater than another.

### Not Parallel To

Specifies that two lines are not parallel to each other.

### not subset

Indications that a set is not a subset of another set

### Not Superset

Indicates that a set is not a superset of another set.

### Open Interval

A range of values between, but not equal to, the listed values.

### or

The statement "A or B" is true if A or B is true

### Parallel To

Specifies that two lines are parallel to each other.

### Per mille

A per mille (from Latin per mīlle, "in each thousand"), also spelled per mil, per mill, permil, permill, or permille is a sign indicating parts per thousand.

### Per ten thousand sign

A per ten thousand sign or basis point (often denoted as bp, often pronounced as "bip" or "beep") is (a difference of) one hundredth of a percent or equivalently one ten thousandth. The related concept of a permyriad is one part per ten thousand. Figures are commonly quoted in basis points in finance, especially in fixed income markets.

### Percent Symbol

The term "percent" is derived from the Latin per centum, meaning "hundred" or "by the hundred".

### 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

### Citation

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

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"Mathematical Symbols." Symbols.com. STANDS4 LLC, 2022. Web. 23 May 2022. <https://www.symbols.com/category/36/Mathematical+Symbols>.

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