NAVCOM v1.4 Nautical Calculator-
  NAVCOM is a nautical calculator that
  will calculate bearings based on true,
  magnetic or compass.  Takes in 
  consideration deviation and variation. 
  Speed, time and distance calculations 
  also. Requires Windows 3.1  SWR=$10.00

  RPCalc32 is an MS-Win RPN style scientific
  calculator;  comes with 100's of built-in
  functions including standard math, trigono-
  metric, complex number, statistical, base,
  conversion and many others;  has its own pgm
  editor making it easy to write, save and use
  commonly used pgm keystroke sequences.

  SOT-Calc v2.0 * The most feature-rich Windows
  calculator ever developed!  Features robust
  Scientific, Business, Unit Conversion, and
  Statistics modules, plus: a new "tape file"
  feature, nearly 100 new functions, a special
  "small window" mode, full clipboard support,
  and much more!  VBRUN200.DLL, VGA, and Win
  3.1 req'd.  Shareware from CheckBox Software.
  *Former PC/Computing WinApp of the Month*

  JUDY'S TENKEY v2.0 <ASP> --  Powerful Windows
  calculator with scrolling tape, selectable 
  syntax (RPN, tenkey, normal), customizable 
  display, financials, statistics, intelligent 
  copy & paste, keep on top, tape entry reuse,
  and more.  Judy's TenKey enables you to work 
  faster and more reliably; you will never go
  back to the default calculator.  $14.75