Software Developed by J. Andrzej Wrotniak

  • Addictive puzzle game, similar to to Boulderdash; teen to adult; no gore or violence. Trial version includes 10 games (49 levels), registration offers over 500 extra games (2500 levels) and game editor. Sound effects, worldwide Hall of Champions.

    • Shareware ($12.00)
    • 1.85 Mb
    • Windows 9X, ME, 2K, XP, 2003
  • Tiny but smart calculator: just type in any expression, like "2+3/7.1-3sqr 5", and hit Enter; then modify it and evaluate again without re-entering everything. 18-digit precision, 30 functions, 12 memories, fractions, deg/min/sec, more!

    • Freeware ($10.00)
    • 480 Kb
    • DOS
  • Advanced Sci/Eng calculator. Expression evaluation, 18 digits precision, variables, >100 functions, graphs, unit conversion, interpolation, polynomial regression, linear algebra, systems of linear, nonlinear and differential equations, optimization.

    • Shareware ($40.00)
    • 956 Kb
    • Win95, Win98, WinME, WinNT 4.x, WinXP, Windows2000