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JES Downloads


Stable version: JES 4.2.1 / 3.2.1

The current release of JES is version 4.2.1/3.2.1. The versions are identical except that JES 4.2.1 uses zero-based indexing for the media functions, while JES 3.2.1 continues to use one-based indexing. Note that the second edition of Introduction to Computing and Programming in Python uses zero-based indexing in the code examples, and those using this book should download JES 4.2.1. Both versions of JES have been compiled to run on the Java 1.5 JRE or higher on all platforms.

Changes Since 4.2 / 3.2

Changes Since 3.1.1


If you have problems downloading from this page, please visit our Google Code download site at http://code.google.com/p/mediacomp-jes

For corrections to problems in the first edition Introduction to Computing and Programming in Python textbook, click here.

JES 4.2.1 - zero-based indexing

For Windows

Here is the Microsoft Windows release with the Java runtime environment bundled. Extract the zip file and run JES.exe (or jes.bat) to start JES. Click on Edit>Options to set your preferences.
jes-4-2-1-windows.zip

Here is the Microsoft Windows release without the Java runtime environment bundled. Download this only if you already have a Java runtime environment version 1.5 or greater!
jes-4-2-1-nojava.zip

For Macintosh

Here is the Mac OS X release. Unzip the archive and drag the application to your Applications directory, and double-click to run.
jes-4-2-1-mac.zip

For Linux and others

Here is the release for Linux and other Unixes. Extract the zip file and run JES.sh to start JES. You'll need to have already installed Java 1.5. You may need to chmod JES.sh to be able to execute it.
jes-4-2-1-nojava.zip

JES 3.2.1 - One-based indexing

For Windows

Here is the Microsoft Windows release with the Java runtime environment bundled. Extract the zip file and run JES.exe (or jes.bat) to start JES. Click on Edit>Options to set your preferences.
jes-3-2-1-windows.zip

Here is the Microsoft Windows release without the Java runtime environment bundled. Download this only if you already have a Java runtime environment version 1.5 or greater!
jes-3-2-1-nojava.zip

For Macintosh

Here is the Mac OS X release. Unzip the archive and drag the application to your Applications directory, and double-click to run.
jes-3-2-1-mac.zip

For Linux and others

Here is the release for Linux and other Unixes. Extract the zip file and run JES.sh to start JES. You'll need to have already installed Java 1.5. You may need to chmod JES.sh to be able to execute it.
jes-3-2-1-nojava.zip

Previous versions
jes-4-2-windows.zip
jes-4-2-nojava.zip
jes-4-2-mac.zip

jes-3-2-windows.zip
jes-3-2-nojava.zip
jes-3-2-mac.zip

jes-4-2b-windows.zip
jes-4-2b-nojava.zip
jes-4-2b-mac.zip
jes-4-2b.dmg

jes-3-2b-windows.zip
jes-3-2b-nojava.zip
jes-3-2b-mac.zip
jes-3-2b.dmg

jes-4-0-windows.zip
jes-4-0-windows-nojava.zip
jes-4-0-macosx.dmg
jes-4-0-linux.zip

jes-3-1-1-windows.zip
jes-3-1-1-windows-nojava.zip
jes-3-1-1-macosx.dmg
jes-3-1-1-linux.zip

jes-3-0-6-windows.zip
jes-3-0-6-macosx.dmg
jes-3-0-6-linux.zip


jes-3-0-5-windows.zip
jes-3-0-5-macosx.dmg
jes-3-0-5-linux.zip


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