Scientific Software for the IBM/PC at Really Great Prices!

                  DCW Industries, Inc.
        5354 Palm Drive, La Canada, California  91011
             818/790-3844     FAX: 818/952-1272

DCW Industries is proud to announce the release of Version 5.0 of our tried
and proven scientific libraries. This release includes three of our
longest standing products at unbeatable prices!

1.  Scientific Plotting Package (SPP)...$ 99.00.
    Includes a 180-page Reference Manual.

2.  Scientific Subroutine Package (SSP)...$ 69.00.
    Includes a 140-page Reference Manual.

3.  Interactive Fortran Library (IFL)...$ 49.00 if purchased
    separately, included at no cost with either the SPP or SSP.
    Includes a 70-page Reference Manual.

Comparable plotting and scientific packages will cost you 3 to 4 times as
much, and may not include as many features as we offer. The libraries are
currently available for the following Fortran compilers.

          Lahey Fortran-90 (call for availability)
          Lahey F77L-EM/32
          Lahey F-77L (16-bit)
          Microsoft (16-bit)
          SVS/C3
          SVS/Phar Lap (including Weitek support)

----------- SCIENTIFIC PLOTTING PACKAGE (SPP) -------------------

The SPP is a library of Fortran and assembly language routines designed for
use by scientists and engineers. Our video drivers use direct video memory
addressing for all conventional modes from CGA 320x200 to VESA 1280x1024.
Printer drivers include HPGL plotters, Epson compatible dot matrix, HP
Laser-Jet and DeskJet compatible printers at virtually all resolutions
available on each printer.

Of special interest to software developers, the SPP provides an interactive
environment in which a plot can be easily debugged on a video display
prior to creating a hardcopy plot. We provide all video and hardcopy
drivers in every program linked to SPP routines. This is especially useful
for software developers who distribute their programs to a wide group of
users.

Nearly 1/3 of the 180-page Reference Manual is a tutorial on use of the
library. The tutorial, based on more than 20 sample programs, begins with
straightforward examples showing how simply video and hardcopy plots can
be created. The tutorial illustrates all of the key features of the
library including 10 memory-resident fonts, curve smoothing, dashed and
dotted lines, circle drawing, filling, shading and contour plots. The
library contains more than 60 user-callable subroutines and functions.

A powerful routine named AXES handles all details of axis drawing,
including tick marks, tick values and labels (all printed horizontally).
Arrays can be plotted without appending scaling data to the ends of arrays
(the old CalComp standard). The user can optionally select CalComp
compatible routines, which have been retained for compatibility with
earlier SPP releases.

----------- SCIENTIFIC SCIENTIFIC PACKAGE (SSP) -----------------

The Scientific Subroutine Package (SSP) is a collection of more than 150
Fortran-77 computational and utility subroutines to aid the user in the
development of scientific and engineering programs. These utilities have
been designed to save time and development costs by providing commonly
used algorithms that are known to be dependable and accurate.

The primary ingredient of the package is a math and statistics library
designed to emulate the functions found in scientific libraries on large
mainframe systems. In most cases, the subroutines emulate the functions
performed by utilities of the same name commonly found in mainframe
libraries. To the greatest extent possible, calling syntax and
input/output parameters match corresponding syntax and parameters in the
mainframe versions.

The math part of the library includes:

1. Special functions such as Bessel functions, the gamma 
   function, elliptic integrals, Fresnel integrals, etc.
2. Matrix utilities to compute inverse, determinant, eigen
   values and vectors and solve simultaneous equations.
3. Runge-Kutta integration routines.
4. Transcendental equation solvers (Newton's method, Mueller's
   method, etc.) and a polynomial root finder.
5. A variety of Fast Fourier Transform (FFT) routines.

The statistics part of the library includes:

1. A machine-independent random number generator.
2. Several correlation and elementary statistics routines.
3. Nonparametric statistics, including the Cochran Q-test,
   Mann-Whitney Utest, Kendall and Spearman rank correlation
   coefficients, etc.
4. Multiple linear regression and polynomial regression.
5. Discriminant analysis, factor analysis, variance analysis
   and time series routines.

Source code for more than 25 sample Fortran programs is included to provide
examples implementing all of the SSP subroutines and functions.

--------------- INTERACTIVE FORTRAN LIBRARY (IFL) ---------------

The Interactive Fortran Library (IFL) is a collection of more than 50
Fortran utility subroutines to aid the user in the development of
scientific and engineering programs. Enhanced input/output capability is
provided to augment the Fortran-77 environment. Library routines are
included that add string, keyboard, mouse, and video handling capabilities
not found in Fortran-77 such as string length, single keystroke input
without carriage return, cursor positioning, and a variety of routines
that provide access to operating system level services.

This library, included free of charge when you buy either the SPP or SSP,
removes some of the most restrictive limitations of the Fortran-77
language pertinent to an interactive environment. For example, Fortran-77
has no built-in capability for determining the true length of a string.
The language also requires a carriage return as the terminating keystroke
for keyboard input and has very limited video display capabilities. The
IFL augments Fortran-77 by adding a variety of string handling
capabilities as well as providing advanced keyboard, mouse and video
interfacing routines, all of which can be called by a Fortran program. The
IFL also includes routines that provide access to low-level operating
system services, such as interrupts and communication with a specific
port.

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