wrotniak (3 products)

Kalkulator 2.41 (Shareware, $40)

The Mother of all Calculators, a Swiss Army knife for scientists and engineers. Perhaps the most capable scientific/engineering calculator for Windows.

Midget 1.36 (Shareware, $10)

A tiny, but very capable numerical calculator for Windows. It differs from others in the way you calculate your expressions: enter the whole expression at a time, like

Mr. Matt 3.25 (Shareware, $12)

An addictive logical puzzle game for Windows, similar to the classic Boulderdash, but with many enhancements and extra touches. Teen to adult age bracket, no gore or violence. You are Mr. Matt, digging caves while eating apples and avoiding falling stones or bombs. The trial version includes 10 games with 49 levels, ranging from simple to frustrating; over 500 extra games (2500 levels written by other players) and game editor are available upon registration. Sampled sound effects and graphics are extensible by the user. Your best results can be matched against others in the Web-based worldwide Hall of Champions. Trial version has no nags and no expiration. The program supports 24 languages (Bulgarian, Chinese, Croatian, Czech, Danish, Dutch, English, French, German, Greek, Hungarian, Icelandic, Indonesian, Italian, Norwegian, Polish, Portuguese, Romanian, Russian, Slovak, Slovene, Spanish, Swedish, and Turkish).