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A Super Calculator, many maths functions, charts, 20 educational and ludic games

Time Difference Calculator will calculate the number of days.

Fully operational hp-12c Business Financial calculator simulation all function

The Fibonacci Calculator calculates Retracement and Expansion Levels present...

Psychrometric Chart and Duct Calculator

Moon Phase Calculator is simple and easy to use tool

The best, easiest to use, feet and inches calculator

You can use Calculator to perform any of the standard operations.

Desktop calculator !

An interface to the Google Calculator