Windows 7 has some interesting features that enhance the utility of this new operating system. Among many features, Windows 7 has a newly designed calculator. Many Windows users are eagerly waiting to get their hands on Windows 7, but unfortunately there is no sign of release of Windows 7 so soon. How long should we wait for Windows 7? Nobody knows!
The good thing is that Windows 7 calculator also works on Windows Vista. So there is no need to wait for Windows 7 to release, we can use its feature on Windows Vista without installing the entire Windows 7 on PC.
Windows 7 calculator includes features like scientific calculator, programming calculator and statistics calculator. There is a unit converter available in this calculator which can convert angle, area, time, length, energy, mass etc.
Follow the given steps to run Windows 7 calculator on Windows Vista.
- Download Windows 7 calculator from any of the given links.
- Unpack the content to another folder, and run the calc.exe to use the Windows 7 Calculator in Windows Vista.
- Replace the older calculator with new Windows 7 calculator-
1.Take backup of C:\Windows\System32\calc.exe,then replace it with the new one included in the zip file.
2.Take backup of C:\Windows\System32\en-US\calc.exe.mui and replace it with the one included in the zip file.
That’s it! Now you can use Windows 7 calculator on Windows Vista. 
