* Astrolog 5.10 is a many featured and
  customizable astrology chart calculation
  program for DOS, Windows, Mac, and Unix,
  used in 25+ countries on six continents.
  It is 100% freeware and requires no
  registration fee. :) The complete source
  code is available. Astrolog features:
  wheels, aspects, midpoints, relationship
  charts, transits, progressions, some
  interpretations, astro-graphy, local

  * Astrolog 5.10 is a many featured and
  customizable astrology chart calculation
  program for DOS, Windows, Mac, and Unix,
  used in 25+ countries on six continents.
  It is 100% freeware and requires no
  registration fee. :) The complete source
  code is available. Astrolog features:
  wheels, aspects, midpoints, relationship
  charts, transits, progressions, some
  interpretations, astro-graphy, local

  ASTRO For Windows--The Program For
  Astrological Analysis. A Powerful Astrology
  Program For Microsoft Windows 3.1
  Full Featured. Interprets. Produces Text
  Reports and Graphics Cartwheels.
  Natal, Compatibility, Transits.
  Version 1.15. ASTRW115.ZIP

  ChemCalc 3.0 Chemistry Calculator for Windows
  Adds MW() (molecular weight) and %() (percent
  composition functions along with a flexible 
  and expandable numerical constant database
  and an efficient simple equation-solver for  
  equations such as x^2/(.1-x)=0.001 in acid/ 
  base and solubility problems. Constants
  include Ka, Kb, Ksp, and general chemistry- 
  related.  hansonr@stolaf.edu 
  Freeware by Integrated Graphics, Nfld, MN

  ------------ Our Cosmohood v2.03 ------------
  --- A 3d view of our Cosmic Neighorhood. ----
  See and understand our place in the Universe.
  View the 2,368 nearest galaxies (data from
  the NEARBY GALAXIES CATALOG, by Tully) in 3d.
  Comes with demo animation which  takes you on
  an annotated tour of the largescale structure
  of our corner of the universe. Build your own
  animations with scripting language.
  ----------- DOS, runs under Win 3.1 or Win95.

  (v1.12) CurveExpert - Curve Fitting/Plotting
  Comprehensive curve fitting system for 
  Windows.  Linear regression models, nonlinear 
  regression models, interpolation, splines are
  supported.  Over 30 models are built-in; 
  custom regression models may be defined by 
  the user.  Full-featured graphing capability 
  allows thorough examination of the curve fit.     
  Shareware (US$ 35.- MC/Visa/Disc/Amex/Check)      
  Daniel G. Hyams, dhyams@eng.clemson.edu   

  ECOGENE Program for the analysis of gene
  dynamics for use with behavioral or 
  ecological data. Intended for use as both a 
  research and educational tool.

  GEOCLOCK 7.2 sunlight clock for DOS.  The
  current sun position is displayed, and the
  parts of the earth in sunlight and twilight
  are highlighted, with local sunrise/set and
  times around the world.  A windows version
  (GCKWIN72.ZIP) is also available, and the
  two versions are functionally and graphicly
  similar.  Over 200 maps and a spinning
  globe program are available.

  Extra files for GeoClock sunlight clock
  These files require GEOCLK72 or GCKWIN72 and
  include three additional maps, several
  utility programs, and the data base for
  configuring GeoClock by US zip code.

  KOMSOFT v3 - a program to simplify the
  observation of comets and the necessary
  evaluation that follows.

  MASSCALC is a calculator which does not waste
  time with flashy screens to get the job done.
  This calculator solves simple math, derivatives,
  integrals, roots of equations, and more.

  (v1.0) Moles - Win\Educate\
  Practice with conversions using
  the mole concept.  Useful
  for instructional purposes for
  introductory chemistry students.
  Provides a non-threatinging way
  of presenting this material to
  students of various levels.
  Shareware(US$10 + $2 S and H)

  MTRXCALC A Calculator interface to Matrix
  Algebra, including a parser for expressions 
  as: inv(A)*(3*B-trans(C)) and buttons for 
  solving, factoring, finding eigenvalues and 
  eigenvectors, extracting rows and columns, 
  concats, elementary row operations, complex 
  or real display, norm, determinant, inverse, 
  conjugate transpose, condition number, file 
  save and print on Windows NT or Windows 95. 
  Easy entry on spread sheet like format.

  (v2.0) StarClock - Stellar evolution at PC
  Interpolating  in  a  grid  of stellar models
  computed  recently  at Geneva Observatory, it
  animates  evolution of stars (0.8 to 25 solar
  masses,    solar    metallicity)    in    the
  Hertzsprung-Russell diagram.  In  adition, it
  shows  changes  of various stellar parameters
  (for example central abundances) with age.
  Freeware.
  Author Leos Ondra (ondra@sci.muni.cz)

  STSORBIT PLUS Version 9610: Track and display
  any satellite for which orbital data is avail-
  able. Used by NASA and the aerospace industry
  as well as hams and "just plain folks" around
  the world. Math coprocessor chip recommended.
  Now includes Multi-Satellite Tracking Feature.
  By: Dave Ransom, 7130 Avenia Altisima, Rancho
  Palos Verdes, CA  90275  USA.