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Screenshots

Get a taste of ROOT's capabilities by sampling some screenshots.

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Download

Go ahead and download the latest build of ROOT.

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Documentation

Get the inside scoop on how to fully utilize ROOT. Also, search the Reference Guide, the HowTo's and the user forums.

Patch release 5.34/21 - 2014-09-09

The patch release of ROOT v5.34/21 is now available.

The Git tag for this version is v5-34-21.

For what is fixed in this patch release see the patch release notes.

Patch release 5.34/20 - 2014-08-13

The patch release of ROOT v5.34/20 is now available.

The Git tag for this version is v5-34-20.

For what is fixed in this patch release see the patch release notes.

Patch release 5.34/19 - 2014-07-09

The patch release of ROOT v5.34/19 is now available.

The Git tag for this version is v5-34-19.

For what is fixed in this patch release see the patch release notes.

Patch release 6.00/02 - 2014-07-01

The patch release ROOT v6.00/02 is now available.

The git tag for this version is v6-00-02

Patch release 6.00/01 - 2014-06-18

The patch release of ROOT v6.00/01 is now available.

The Git tag for this version is v6-00-01.

For what is fixed in this patch release see the patch release notes.

ROOT Version 6.00/00

The ROOT team is proud to announce the release of ROOT 6.00/00.

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The Git tag for this version is v6-00-00.

See the release notes for what is new in the version 6.00/00 release.

Patch release 5.34/18

The patch release of ROOT v5.34/18 is now available.

The Git tag for this version is v5-34-18.

For what is fixed in this patch release see the patch release notes.

IPython Notebooks and ROOT

On a recent CERN webfest there was a project by Alexander Mazurov and Andrey Ustyuzhanin that is relevant to ROOT. Essentially it allows for running PyROOT code through a browser without need to prepare a client machine in any specific way.

ROOT has moved to Git

Today ROOT has moved to Git for version control.

We have made the change because Git offers many benefits over Subversion. Basically all large Open Source projects have preceded us in this move. For more details about the why, how and where see this presentation.

A detailed Git HowTo has been added to the ROOT website.

ROOT Users Workshop, 11 - 14 March, Saas-Fee

Featuring ROOT 6 - The Next Generation

Workshop Poster, First Bulletin, Second Bulletin

Since almost two decades, ROOT has established itself as the framework for HENP data processing and analysis. The LHC upgrade program and the new experiments being designed at CERN and elsewhere will pose even more  formidable challenges in terms of data complexity and size. The new parallel and heterogeneous computing architectures that are either announced or already available will call for a deep rethinking of the code and the data structures to be exploited efficiently.
This workshop, following from a successful series of such events, will allow you to learn in detail about the new ROOT 6 and will help shape the future evolution of ROOT.

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