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


---

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