Win7 Calculator for XP, Vista

Well, Well!! The wait is over.It's finally here,

First ever Windows 7 like working Calculator for xp and Vista.
It is a new species of calculator as compared to my previous calculators.
This one is a program coded by me in Visual Basic 2010 therefore your system needs to have Dot Net Framework 4 or above.
It is working perfectly in standard mode and scientific mode is partially functional.

FEATURES--------------------------------------------------------------------------------------------------------
-Standard mode working perfectly
-Scientific mode is partially functional
-Better and smoother fonts
-Date Calculations dialog box added(Though it doesn't resembles Windows 7's original one, but looks nice)
-Includes help file (Displayed when help is clicked in menustrip)
-Unit Conversions working perfectly
-Leightweight and portable.
-Coded by me in Visual Basic 2010.
-Requirements: XP or Vista with dot net framework 4 or above. Download link for .net framework 4 [link]
-A candy to eye.

INSTRUCTIONS----------------------------------------------------------------------------------------------------
Either run "Calc.exe" file directly from this ZIP and create its shortcut at Desktop and in Programs menu for future use,

OR

Replace original "calc.exe" file in "Windows\System32" folder with this new one.

Don't forget to backup your original calc.exe!!!
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Don't edit it without my permission.
Any comments, suggestions, advices are welcomed.
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If you liked my this project then please give me points at [link]
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Download link for . net framework 4 [link]