# Calculation Pi^Pi^Pi in hexadecimal in High precision

**URL:** <https://discourse.julialang.org/t/calculation-pi-pi-pi-in-hexadecimal-in-high-precision/51785>\
**Category:** Numerics\
**Tags:** precision\
**Created:** [December 14, 2020, 2:32am UTC](https://discourse.julialang.org/t/calculation-pi-pi-pi-in-hexadecimal-in-high-precision/51785 "2020-12-14T02:32:50Z")\
**Posts on this page:** 2\
**Page:** 4

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**Author:** ![dpsanders](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/dpsanders/32/3573_2.png) [@dpsanders](https://discourse.julialang.org/u/dpsanders)\
**Post date:** [February 5, 2021, 10:02pm UTC](https://discourse.julialang.org/t/calculation-pi-pi-pi-in-hexadecimal-in-high-precision/51785/62 "2021-02-05T22:02:37Z")

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I meant this one:

> **[Arb: Efficient Arbitrary-Precision Midpoint-Radius Interval Arithmetic](https://hal.science/hal-01394258)**
>
> Arb is a C library for arbitrary-precision interval arithmetic using the midpoint-radius representation, also known as ball arithmetic. It supports real and complex numbers, polynomials, power series, matrices, and evaluation of many special...

@rafael.guerra

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**Author:** ![ValZapod](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/valzapod/32/37920_2.png) [@ValZapod](https://discourse.julialang.org/u/ValZapod)\
**Post date:** [July 13, 2022, 2:32pm UTC](https://discourse.julialang.org/t/calculation-pi-pi-pi-in-hexadecimal-in-high-precision/51785/63 "2022-07-13T14:32:51Z")

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This is still the case. [src/mpfr.h · master · mpfr / mpfr · GitLab](https://gitlab.inria.fr/mpfr/mpfr/-/blob/master/src/mpfr.h#L155)

Microsoft Windows using an _LLP64_ model (so long is 32 bit only) is tight.

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