Aimsat 1.1 computes satellite dish aiming
  angles from a list of avaliable satellites.
  Tabular data can be saved on a disk file.
  Registration is only 10 US$.

  * Astrolog 5.20 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

  This is the full source code for the program
  Astrology 5.20 available in "C" allowing analysis,
  modification, and easy porting. 

  * Astrolog 5.20 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

  (v1.0) Chmmkr -
  Chmmkr, the chemical synthesizer, is designed
  for the introductory chemistry student.  It
  provides a graphical animated representation 
  of the major types of chemical reactions
  giving the student a conceptual view of 
  what is going on at the atomic level.
  Windows 3.0 and higher.  The unregistered
  version contains 2 reactions and the 

  CONVERTER PRO/WIN V1.02 - Professional unit
  converter. User-extendible database includes 
  length, area, volume, mass, force, pressure, 
  density, energy, power, temperature, dynamic 
  viscosity, kinematic viscosity and time 
  units. Units can be composed from up to four 
  available units (for example BTU, lb. and 
  deg. F will give BTU/lb. deg.F). Written by a
  professional engineer for other pros.

  DIFFER - This program was written to help
  with differentiation. It accepts algebraic
  expressions with support for a number of
  functions and will differentiate the
  expression with respect to x. Written by Paul
  Young, using Turbo C++.

  (v2.00) HRCalc - Win Astronomy
  Approximates stellar radii given a star's
  luminosity and effective temperature.
  Useful for amateur astronomers, educators,
  and students wishing to gain further 
  insight into the Hertzsprung-Russell 
  diagram. The program models stellar sizes
  in respect to our sun / solar system. 
  Shareware (US$ 15.00 Check/Money Order)
  David C. Irizarry  xerxees@ix.netcom.com

  KALKULATOR v1.10 - A powerful sci/eng
  calculator for Windows 3.1 and 95. More than
  100 functions (stat. distributions, Euler,
  conditional, user-defined), function graphs,
  statistics (mean, s.d., histograms, poly
  regression), column-wise operations on stat
  data. Expression evaluation, unit conversion,
  phys.constants, save/restore, on-line help.

  MEASURES v1.1,  Convert 100's of Measurements from
  Metric and from U.S. units to other U.S. units.  C
  area, volume, speed, acceleration, temperature, po
  pressure, weight, work, time, angles, bits & bytes
  click operation actually makes measurement convers
  will save time and brain cramps.  A must have for 
  and school.  Requires Vbrun300.dll, mouse, Windows
  Shareware $12.00 registration fee.

  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 mock spreadsheet like format.

  MyStars Ver 2.3 Astronomy, planetarium
  for Windows. View the stars, planets, COMETS,
  Messier objects to scale as seen from any
  place on earth any date/time. Now with: Help,
  images, Zoom In/Out, Object tracking and
  Animation. Star & Constel. Names, Alt/Azi,
  Rta/Dec, ELatLng lines. StatusBar. FULLSCREEN
  Scientific, Educational. Min Reqd: 386,
  Win 3.1, no copro reqd. Shareware: reg. $12
  Runs great on Win 3.x, 95 and Win NT too!

   - Shopcost 2.0 -
   Shows machine capacity with 3D bar graphs.
   Computes the min/max. performance of turning
   and milling machines using a power constant.
   Shows metal removal rates in cubic inches per 
   minute, and displays the time needed to machine 
   a single part using a piechart. Calculates the 
   weight, volume and price of raw materials in 
   metric or english. Needs DOS, 80286 or better 
   and EGA/VGA. This file replaces shpcs1cd.zip. 

  STSORBIT PLUS Version 9615: 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.

  Universe simulation program in EGA. Can do
  slide show of generations.  Many  Options.

  Mathomatic V6.3: Symbolic math program
  This program can automatically
  solve, simplify, combine, and graph
  algebraic equations, etc.  Does
  calculus operations, too.  Runs
  under MS-DOS or Windows.

  TEMPERTR - a program to convert
  between the three widely used
  temperature scales. requires an
  $8 registration. see register.doc
  for more info.