SALTIRE ANNOUNCES 3.1 VERSION OF ANALYTIX WITH NEW MATHCAD INTEGRATION AND
WINDOWS OLE SUPPORT

(Beaverton, Oregon -- March 3, 1995) Saltire Software has announced the
release of version 3.1 of its Analytix mechanical design and simulation
software package. Version 3.1 introduces a link to Mathcad technical
calculation software from MathSoft Inc., Cambridge, Massachusetts, using
Windows OLE and DDE integration facilities. The Analytix/Mathcad
combination represents a major step towards a truly interactive and
flexible mechanical engineering toolset. It incorporates both mathematical
and geometrical input and output with powerful modeling capability.

Analytix drawings can be embedded into Mathcad documents, and variables can
be defined in either Analytix or Mathcad and passed to the other. The new
version allows dynamic links from Mathcad variables to parameters of the
geometric model and from drawing measurements into the Mathcad variables.
The result is completely interactive geometric description of the problem
and its solution. Many problems in engineering have both strong
geometrical and mathematical components, and the unique value of
integration of the two packages is that it combines the power of Analytix
with that of Mathcad.

The Analytix drawings are "live" in the sense that, when you double-click
on them, Analytix is activated and any linked variables which have been
changed within Mathcad, will be updated. Analytix will, in turn, update
the variables it passes back to Mathcad. Annotating, sizing and
dimensioning of a live drawing can be done before or after it is embedded
in Mathcad. Version 3.1 also adds support for OLE 1.0. This makes it
possible to embed Analytix drawings in other applications such as word
processors, spreadsheets and other mathematics packages. This even makes
it possible to embed Analytix simulations into CAD packages such as
AutoCAD Release 13 for Windows. Analytix makes it possible to animate,
analyze and solve design problems of virtually any mechanism.

The power of Analytix is the system's ability to construct accurate
geometry from dimensional information. Geometry is sketched on the screen
just as if it were a piece of paper. Dimensions are then added to the
sketch. Like high-end parametric engineering software on workstations,
dimensions can even be formulas. Dimensions serve as constraints and
define the exact geometry of the sketch. Fine-tuning the model is simply a
matter of changing the value of a dimension or parameter. The geometry is
updated and a new scaled drawing is produced, all in less than a second.
Once the geometry is consistently dimensioned, Analytix can be used to
analyze the design's static, kinematic, dynamic and tolerance
characteristics. The user can specify initial conditions and model
constraints such as velocities, accelerations, tolerances, masses, applied
forces, springs, dampers and actuators. Analytix will then perform static,
inverse-dynamic, kinematic and tolerance analysis as well as
forward-dynamic simulation with the Dynamix option. Output options include
tables, graphs and animations. The Analytix slogan -- "for designing
Machines-That-Move" -- illustrates the package's capabilities for
designing and optimizing mechanisms that involve motion.

Saltire Software, Inc. develops, markets and supports conceptual design and
analysis software that helps mechanical engineers design
"machines-that-move". Besides Analytix, Saltire's family of engineering
products includes Apollonius -- The Intelligent Sketcher, which provides
parametric drawing capability, and the Atlas of Linkage Design and
Analysis, which is a design system for linkages, including both a
reference book and software. Since its founding in 1989, Saltire has
developed products primarily for the Windows PC platform. Saltire has
received three major R&D grants from the National Science Foundation to
pursue technology development in the representation and manipulation of
geometric engineering problems.

MathSoft, Inc., (NASDAQ: MATH) is the leading developer of mathematical
software and Electronic Books for desktop computers. Founded in 1984, the
company developed Mathcad, a live, interactive environment for mathematics
work in a variety of fields, including engineering, science and education.
Mathcad is currently available for PC, Macintosh, and UNIX workstations;
and in German, French, Spanish, Japanese and Italian. MathSoft is the
publisher of the Mathcad Library of Electronic Books, which includes over
50 fully interactive titles. In 1993, Mathsoft acquired its Statistical
Sciences (StatSci) division, maker of the S-Plus interactive data analysis
and programming environment for scientific and technical data. The new
division remains in Seattle, Washington.

For further information:

Saltire Software, 9725 SW Gemini Drive, Beaverton, OR 97005
Telephone: 503-520-7800; Fax: 503-520-6998

Mathsoft, Inc., 101 Main Street, Cambridge, MA 02142
Telephone: 1-800-628-4223; Fax: 617-577-8829

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