# Mathematica

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## Contents

## Installation

### Mathematica 6

#### Mounting iso

One way to mount the Mathematica .iso is to create **/media/iso** and add the following line to the fstab:

/<location/of/mathematica.iso> /media/iso iso9660 exec,ro,user,noauto,loop=/dev/loop0 0 0

Now you can mount it with:

mount /media/iso

#### Running the Installer

You can start the installer by navigating to:

/Unix/Installer

Run ./MathInstaller with:

sh ./MathInstaller

#### Fonts

Add the directories containing Type1 and BDF fonts to your FontPath.

#### Troubleshooting

If you have font rendering problems where certain symbols do not show up (i.e. "/" appears as a square), try uninstalling the package "mathematica-fonts".

### Mathematica 7

Mathematica 7 is much easier to install.

tar xf Mathematica-7.0.1.tar.gz cd Unix/Installer ./MathInstaller

Follow instructions.

For KDE users, the Mathematica icon may appear in the Lost & Found category. To solve this, execute the following as root:

sudo ln -s /etc/xdg/menus/applications-merged /etc/xdg/menus/kde-applications-merged

### Mathematica 8

#### Mathematica 8.0.1

There is a package on the AUR for Mathematica 8.0.1-2 available here. The Mathematica_8.0.1_LINUX.sh installation script is required.

### Mathematica 8.0.4.0

On 64-bit machines, two known issues are present; but solutions are provided. The second issue is present on 64-bit installs: but not yet confirmed on a 32-bit arch setup.

The first issue assumes you are using trying to use nVidia CUDA and OpenCL libraries within Mathematica.

The 64-bit archlinux nvidia and opencl driver packages install libraries in /usr/lib, not in /usr/lib64 as does nVidia's binary installer. This is not a problem; /usr/lib is the correct location for 64-bit libraries on a 64-bit arch system. However, a 64-bit install of Mathematica will assume the drivers in installed in /usr/lib64; other distributions that Mathematica has been tested on have the drivers in that location. The easiest method to overcome this is to make a symlink from /usr/lib64 -> /usr/lib. Mathematica will be able to find nVidia, CUDA, and OpenCL libraries this way without further tweaking.

A second, separate but partial solution, is to set the following environment variables:

export NVIDIA_DRIVER_LIBRARY_PATH=/usr/lib/libnvidia-tls.so

export CUDA_LIBRARY_PATH=/usr/lib/libcuda.so

This second method, however, still will not permit Mathematica to find the OpenCL libraries in /usr/local as Mathematica seems hardwired to find them in /usr/lib64.

The second issue with Mathematica 8 in 64-bit archlinux (may also affect 32-bit environments; but not tested) is a reproducable crash when performing WolframAlpah[] functions. By default, MMa is configured to detect the system's proxy settings when configuring how to connect to the internet to fetch data. A "bug" exists that will eventually crash Mathematica when the calling library is used. A workaround is avoid this library call altogether by configuring Mathematica to "directly connect" to the internet. (Edit -> Preferences -> Internet Connectivity -> Proxy Settings). This bug has been reported to Wolfram.