DreamCalc 1.2.1
DreamCalc is the de facto standard photo realistic scientific calculator for Windows. What’s more, it’s free! It is the only choice, which allows you to throw away your existing desk calculator. Supports natural fractions, extended trigonometry, conversions between metric and US or Imperial measures, scientific constants, optional true order mode, engineering, and base-n modes.
Windows 98, Me, 2000, XP
Company: Andy Thomas
Web: www.dreamcalc.net