22.4 trillion digits of pi

world record computation of pi

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Pi and the Prediction of Lunar Eclipses

Friday, July 28th, was a great opportunity to enjoy the beauty of our planetary system. Here in Switzerland we had…

Pi and the Limits of Shannon Entropy

It’s pi day and time for another post. On Christmas 2016 my niece and my nephew got a small whiteboard…

The π-Scroll

Despite its poor name (Babylon being the mother of earth’s abominations) I still enjoy using the WebGL framework babylonJS for…

Celebrating π-Day

The pi record computation of DECTRIS has survived more than 4 months from November 2016 until 3/14/17, which is Albert Einstein’s…

Download One Trillion Digits of Pi

As announced in November 2016, I’ve computed 22.4 trillion digits of pi. The first trillion decimal digits are now available…

Summing Up

Last week I had the opportunity to present the venture of calculating π with a world record accuracy to my colleagues…

Hitting the Target

This morning, the world record computation of pi finally completed. Thereby the 105 days long calculation comes to a successful…

Hexadecimal Digits are Correct

This week I’m attending a conference in Strasbourg. While following the opening plenary, I log in to the server, on…

Is π Normal?

The normality of pi is one of the remaining mysteries of the mathematical constant π. To understand the concept better,…

Disk is Full

Some days ago, I suddenly found the following error message on my screen: At first, I simply restarted the computation…

3:14 Illuminated with D.E. Knuth

Scientists nowadays rarely write about things outside their narrow fields of expertise, and it’s especially unfashionable for a scientist to…

60% Milestone Passed

35 days after starting the computation, 60% of the series has already been summed. Against my expectations, all 20 discs…

The Chudnovsky Formula

The formula used by y-cruncher to compute π is called after the Chudnovsky brothers, two mathematicians living in the United…

3, 2, 1, Go!

Yesterday afternoon two colleagues kindly helped me to mount the π-Storage in a rack in our server room and to…

The π-Protein

Inspired by a web page with random walks based on π, I implemented this idea with the 3D engine Babylon.js….

The π-Storage

Today we received the 24 hard drives and the housing for our π-storage. We decided to use Enterprise NAS HDDs…

God Loves the Odd Number

In the late 17th century, Gottfried Wilhelm Leibniz discovered a beautiful series expansion of π/4 which only involves odd numbers….

About me

My name is Peter and I’m living in Switzerland. I’m a Christian and particle physicist by education. If you’ve already…

Gamma and the Golden Donkey

It’s a sunny morning here in Baden-Dättwil, where the new business premises of my employer are located. Close to the…

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