Wolfram Research Unveils A New Mathematica for Windows
Mathematica 2.2 

April 1, 1993 -- Champaign, Illinois - Wolfram Research, Inc. today
introduced Mathematica 2.2 for Windows, a significantly enhanced version
of its comprehensive software system for technical computing. This new
version includes over 2,000 enhancements and new features. These cover all
the major areas of Mathematica including numerical, symbolic, and
graphical computation, programming, and Notebook interfaces. In addition,
Mathematica 2.2 has achieved increased efficiency and stability on the
Windows platform. Extensive beta testing at over 100 beta sites has
brought rave reviews for this version of Mathematica .

"This is the version we've been waiting for," said Sidney Steely, a beta
tester at Calspan Corporation. "I'm extremely pleased with Mathematica 2.2
for Windows. I find it to be very clean and virtually problem-free. Plus
there is useful, new functionality."

New Capabilities of Mathematica 2.2 for Windows 

Mathematica 2.2 contains a number of new front end features that enhance
interactive document capabilities. Windows users can now search for and
replace Notebook text, edit Notebook styles, and divide and merge cells.
In addition, this version features more sophisticated and versatile memory
management.

"It has been a great challenge to make Mathematica, a 32-bit application,
run smoothly in the Windows environment. Now we've done it," said Prem
Chawla, chief operating officer, Wolfram Research. "And this version
outshines its predecessors by leaps and bounds. It's clean and it's
stable. If our Windows users love it as much as our beta testers do, we're
in very good shape."

Other New Capabilities 

Mathematica 2.2 improves upon many of the program's numeric functions. It
can now recognize linear systems that are sparse and solve them faster.
Equation solving capabilities have been improved and now include a more
sophisticated handling of symbolic matrices. Finally, new interval
arithmetic capabilities have been added allowing rigorous error estimates
for numerical computations to be performed.

Mathematica's symbolic capabilities include more sophisticated treatment of
singularities in definite integrals. In addition, solutions of symbolic
differential equations have been greatly enhanced. Mathematica can now
generate symbolic solutions to systems of nonlinear ordinary differential
equations, additional Ricatti equations, and first-order partial
differential equations.

New packages have been added to Mathematic 2.2 in such areas as spline
filling, variational methods, elliptic integrals, and music. A new
graphics package lets Mathematica 2.2 plot implicit functions of three
variables and construct iso surfaces from three dimensional data sets.
Another new graphics package defines pointers and arrows which can be used
in plotting vector fields. Existing packages in graphics, statistics,
numerical limits, and Fourier and Laplace transforms have also been
significantly enhanced.

Price and Availability 

Mathematica 2.2 is now shipping for Microsoft Windows, Macintosh, and Sun
Microsystems. Additional Unix systems including Silicon Graphics, Inc.,
Hewlett-Packard, MIPS, NeXT Computer, and Digital Equipment Corporation
will be shipped within 90 days. Users subscribing to Mathematica Plus will
be automatically shipped copies of Mathematica 2.2. All other registered
users will be sent upgrade information and order forms. Mathematica 2.2 is
compatible with previous versions; most Mathematica programs and Notebooks
written using Mathematica 2.0 or 2.1 will run unchanged in Mathematica
2.2. Upgrade pricing starts at $50. Prices for Mathematica 2.2 start at
$595.

About Mathematica and Wolfram Research, Inc. 

Mathematica, the leading software for numeric, symbolic, and graphical
computation, is used internationally by technical professionals in almost
every area of scientific and technical computing. Its underlying,
high-level programming language is becoming the language of choice for
programming among technical professionals and students. Mathematica is
available on more than 20 systems, including Macintosh, Unix, MS-DOS and
Microsoft Windows.

Wolfram Research distributes Mathematica worldwide directly as well as
through a variety of channels, including resellers, distributors, retail
outlets and hardware vendors. Wolfram Research Europe Ltd., based in the
United Kingdom, handles distribution in Europe. For further information on
Mathematica, contact Wolfram Research at 1 800-441-MATH or 217-398-0700.

Wolfram Research, 100 Trade Center Dr, Champaign, IL 61820-7237
217-398-0700    fax: 217-398-0747

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