# Pi

Returns the mathmatical constant Pi accurate to 15 digits

## Method Signature

```
Pi()
```

### Arguments

This function does not accept any arguments

## Examples

### pi to 11 digits

[Run Example](https://try.boxlang.io/?code=eJwryNTQtOYCAAZOAXA%3D)

```java
pi();

```

Result: 3.141592653589793238462643383279503

### Display all 15 digits with numberFormat

[Run Example](https://try.boxlang.io/?code=eJzLK81NSi1yyy%2FKTSzRUCjI1NDUUVAy0DNABUoKmtZcABvgCrE%3D)

```java
numberFormat( pi(), "0.000000000000000" );

```

Result: 3.141592653589793

### Boxlang only shows up to 15 digits of pi

After 15th digit CF outputs 0's

[Run Example](https://try.boxlang.io/?code=eJzLK81NSi1yyy%2FKTSzRUCjI1NDUUVAy0DPABEoKmtZcAEmEC3E%3D)

```java
numberFormat( pi(), "0.0000000000000000000" );

```

Result: 3.1415926535897932385

### Additional Examples

```java
<bx:output>#pi()#</bx:output>
```

## Related

* [Abs](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/math/abs)
* [Acos](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/math/acos)
* [Asin](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/math/asin)
* [Atn](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/math/atn)
* [Ceiling](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/math/ceiling)
* [Cos](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/math/cos)
* [DecrementValue](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/math/decrementvalue)
* [Exp](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/math/exp)
* [Fix](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/math/fix)
* [Floor](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/math/floor)
* [FormatBaseN](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/math/formatbasen)
* [IncrementValue](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/math/incrementvalue)
* [InputBaseN](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/math/inputbasen)
* [Int](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/math/int)
* [Log](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/math/log)
* [Log10](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/math/log10)
* [Max](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/math/max)
* [Min](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/math/min)
* [PrecisionEvaluate](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/math/precisionevaluate)
* [Rand](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/math/rand)
* [Randomize](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/math/randomize)
* [RandRange](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/math/randrange)
* [Round](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/math/round)
* [Sgn](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/math/sgn)
* [Sin](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/math/sin)
* [Sqr](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/math/sqr)
* [Tan](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/math/tan)