Wolfram Research, Inc.
New in Version 4.1
Mathematica Version 4.1 extends capabilities and increases speed of several important numeric and symbolic functions. It also includes some system, language and interface enhancements.
Automatic common subexpression elimination and register allocation optimization in Mathematica expression compilation.
Optimized handling of sparse linear equations.
Faster high-precision evaluation of polynomial roots.
Faster evaluation of long continued fraction sequences.
Greatly enhanced symbolic differential equation solving.
Faster multivariate PolynomialGCD, Together and related algebraic functions.
85 new rules added for Simplify and FullSimplify.
Optimized Expand in cases where many terms cancel.
Graphics and Sound
Enhanced support for extended character sets in graphics output.
Programming and Core System
Ordering for finding rankings of elements in lists.
Built-in support for Nand and Nor.
Optimized pattern matching in packed arrays.
Faster handling of multiple repeated patterns in pattern matching.
Input and Output
Support for UTF-8 character encoding.
Automatic palette presentation of help on objects.
New logical operators , and .
More TraditionalForm formats for functions.
Support for generating and reading MathML for web applications.
Import and export of CSV spreadsheet files.
Import and export of DXF and STL 3D data.
Faster import of tabular data.
Import and export of BMP supports run-length encoding compression.
Shift-close shortcut for window closing (Windows).