Aciran Linear AC Electronic Circuit Analysis
  Aciran is a Linear AC circuit analysis
  program that can handle resistors,capacitors
  inductors,transistors,Opamps,transformers,
  transmission lines,Fets and voltage
  controlled current sources. Table and
  Graphical output of Gain,phase,time delay,
  impedance,VSWR and Returnloss. Monte Carlo
  tolerance analysis available.

  TSR Floating Point Calculator 3.0
  (Bob Eyer; $20) is a memory resident 
  calculator able to perform complex 
  math functions from the DOS Prompt.

  FEMIS 1.00.16: The Finite-Element Matrix
  Interpretive System provides interactive,
  tutorial computation for users interested in
  finite element technology. Matrix algebra is
  used extensively in symbolic form.
  Shareware ($50) from Computational Technology
  Development Corporation.

  GEPASI version 2.07A - simulates and models
  biochemical pathways and chemical reactions
  for research or education.  Study dynamics
  and steady state for given sets of
  parameters, stable states, limit cycles, and
  choatic behavior.  No manual included,
  context-sensitive help with references, and
  short tutorial on metabolic modeling. Source
  code in GSRC207A.ZIP.

  º1993 VERSION (4.0) of HURRTRAK.  The best  º
  ºHURRICANE TRACKING SYSTEM available for theº
  ºPC.  Very detailed VGA tracking charts,    º
  ºwith the ability to customize and add your º
  ºown location. Can view wind structure of   º
  ºhurricane including location of deadly EYE º
  ºWALL. Storm details for each observation   º
  ºpoint is displayed simultaneously on the   º
  ºtracking chart. Over 200 pre-defined       º
  ºcoastal city locations included with the   º

  KWIKSTAT Disk 1 of 3: This Award Winning
  (1992 SIA) data analysis package is for 
  anyone who needs to analyse business or 
  scientific data. Numerous statistical 
  analyses, graphs, and reports. 
  Interfaces with dBASE, ASCII, 1-2-3 
  files, 'windows-like' interface with 
  mouse support. Thousands of users.

  KWIKSTAT Disk 3 of 3: This Award Winning
  (1992 SIA) data analysis package is for 
  anyone who needs to analyse business or 
  scientific data. Numerous statistical 
  analyses, graphs, and reports. 
  Interfaces with dBASE, ASCII, 1-2-3 
  files, 'windows-like' interface with 
  mouse support. Thousands of users.

  Mr. Machinist is an easy-to-use menu driven
  math program designed to solve the every day
  geometry and trigonometry problems that
  machinist and industrial engineers encounter.
  Get the chord of a circular sector, do
  conversions, find speeds and feeds for
  drilling, milling, tapping, use calculator
  for formulas, and also edit multiple files.
  F1 help, BBS support and constant upgrades!

  NONLIN v2.5 <ASP> - Linear and nonlinear
  regression statistics. Nonlin determines the
  values of parameters for an equation, whose
  form you specify using ordinary algebraic
  notation, that cause the equation to best
  fit a set of data values.  Handles linear,
  multivariate, polynomial, and general
  nonlinear equations. Also plots data and
  equation. Nonlin is the best shareware
  regression program available.

  On Queue 1.0, A queueing analysis, simulation
  and animation program. Designed for studying custo

  PC-ECAP v3.0 <ASP> - AC circuit analysis pgm
  Calculates magnitude, phase, group delay,
  impedance, VSWR, and return loss. Now also
  calculates TRANSIENT response with one of 8
  waveforms as input.  Handles circuits with up
  to 90 nodes and 1000 components. Completely
  menu driven, very easy to use. Many features.
  High res plots on screen or 9/24 pin printer
  or HP LaserJet/DeskJet. All video adapters
  supported.  Shareware $89.

  AstroFormulaCalculator 3 Version 3.10
  (c) Copyright PCSCC, Inc. 1981, 1993
  spreadsheet/calculator shareware release
  with Physics, Applied Physics and .....
  SPREADSHEET CALCULATOR EDUCATION MATH
  SCIENCE ENGINEERING FINANCE BUSINESS

  AstroFormulaCalculator 3 Version 3.10
  (c) Copyright PCSCC, Inc. 1981, 1993
  spreadsheet/calculator shareware release
  with science, engineer., finance manual
  SPREADSHEET CALCULATOR EDUCATION MATH
  SCIENCE ENGINEERING FINANCE BUSINESS

  SKYGLOBE v3.6 <ASP> Award-winning Top Ten PC
  planetarium program that is fast, fun, and
  easy to use. SkyGlobe has over 29,000 stars,
  constellation lines, the planets, Sun, and
  Moon, the Milky Way, the Messier Objects,
  and much more. It is the fastest program of
  its kind available, and uses the mouse or
  convenient command keys. Now with better
  printing, GIF image display, and support
  for up to 250,000 stars! $20 reg fee.