VISUAL NUMERICS DEMOS FAMILY OF DEVELOPMENT TOOLS AT ANNUAL SOFTWARE
DEVELOPMENT CONFERENCE

March 15, 1994 -- SAN JOSE, Calif. -- Visual Numerics, Inc., a provider of
Application Development Tools (ADT) for software programmers, this week
demonstrated its entire line of numerical and graphical ADTs at the annual
Software Development Conference and Exposition here.

Visual Numerics' ADTs are professionally designed and tested libraries of
user-callable subroutines that help maximize the performance of computer
systems and speed the development of software applications by providing
"building blocks" for the programmer. By embedding these precoded
subroutines directly into their FORTRAN- or C-based applications,
programmers avoid having to write the code from scratch and reduce
application development time by up to 95 percent.

For programmers building mathematical and statistical analysis
applications, Visual Numerics offers the IMSL FORTRAN Numerical Libraries,
the C/Math/Library, and the C/Stat/Library. For developers building
graphics applications, the company's Exponent Graphics is available in
FORTRAN, C and X.

Widely regarded as the standard in numerical libraries, the IMSL FORTRAN
Libraries are comprised of more than 900 subroutines for general applied
mathematical applications and for analyzing statistical data in scientific
and industrial applications. The Libraries include routines for linear
systems, Eigensystem analysis, interpolation and approximation,
differential equations, transforms, nonlinear equations, optimization, and
random number generation, among others.

Visual Numerics recently announced a strategic relationship with Microsoft
Corp. whereby the IMSL FORTRAN Numerical Libraries will be made available
to PC FORTRAN users, underscoring both companies' commitment to the
scientific and engineering marketplace.

Under terms of the agreement, Visual Numerics will port the same Libraries
currently available on workstations, minicomputers, and supercomputers to
personal computers. Visual Numerics and Microsoft will offer both 16-bit
and 32-bit versions of the Libraries to be compatible with the MS-DOS,
Windows and Windows NT operating systems.

In another recently announced strategic alliance, Visual Numerics will
develop its IMSL FORTRAN Numerical Libraries to interoperate with Cray
Research, Inc.'s FORTRAN 90 (CF90) Programming Environment,
next-generation compiler technology for FORTRAN programmers.

Other Visual Numerics development tools demonstrated this week were the
C/Math and C/Stat Libraries. The C/Math/Library is a collection of more
than 150 user-callable mathematical functions written entirely in C. Some
of the Library's functions include interpolation and approximation,
transforms, optimization, nonlinear equations, and linear systems.

The C/Stat/Library is a collection of more than 70 user-callable
statistical functions written entirely in C. Some of its capabilities
include analysis of variance, random number generation, time series
analysis and forecasting, and multivariate analysis.

On the graphics side, Visual Numerics demonstrated Exponent Graphics, a
family of graphics subroutine libraries. With versions for the FORTRAN, C,
and X programmer, Exponent Graphics significantly reduces the time and
code required to generate complex data plots. All three versions of
Exponent Graphics offer more than 30 2D and 3D plot types commonly used in
scientific and business applications, about 300 customizable graph
attributes (fonts, colors, line types, shading, etc.), and support for a
variety of high-performance output drivers.

Headquartered in Houston, privately held Visual Numerics employs 160
persons worldwide and expects to generate revenues of about $30 million in
1994. Through its subsidiaries in France, Germany, Japan and the United
Kingdom, and its worldwide distributor network, Visual Numerics sells its
products in more than 65 countries.

Visual Numerics, Inc.
9990 Richmond Ave, Suite 400, Houston, Texas 77042-4548
(713) 784-3131,    Fax (713) 781-9260

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