Mathematics 2006 Products of the Year Winner: Mathematica
Mathematica brings 64-bit technology to all supported platforms. More than 4.3 GB of memory (the 32-bit address limit) can be addressed, and high-precision or large numbers are processed in 64-bit. Other features include, bundled notebook indexing for desktop search, algorithms for symbolic differential equations and singular-case support for high-level special functions. It is available for platforms such as Windows, Linux and MAC OS X.