As compared to its predecessors, the Windows7 Calculator is a much more powerful application, providing several other tools besides the one for basic math operations.

With a very user-friendly interface and highlighted numbers for those who can't get along with the keyboard numpad, Windows7 Calculator provide four different modes that can be activated either from a dedicated menu or quicker using the keyboard shortcuts.

Windows7 Calculator can thus be used in standard mode, scientific, programmer or statistics, each with its very own extras and useful features.

Beside these useful modes, Windows7 Calculator hides some other utilities under the “Options” menu where you can find a date calculator utility, multiple templates and a unit conversion utility.

While the date calculator allows you to find out the duration between two periods or add or substract a period of time, the templates section lends you a hand when trying to calculate gas mileage, lease estimation, mortgage estimation and wage estimation.

Last but not least, the unit conversion utility supports a wide array of units, including angle, area, energy, length, mass, power, pressure, temperature, time, velocity and volume.

It's pretty obvious that all these features work flawlessly and since we're talking about the Windows7 Calculator, the footprint on hardware resources is just minimum. Not to mention that the comprehensive help file includes tons of options on every single feature within the app.

As a conclusion, Windows7 Calculator is one of the best calculators on the Internet, not only because it has so many features, but also thanks to the fact that it perfectly integrates into Windows and works flawlessly.