Calculator World! is an app that contains different calculators for everyday use.
To install Calculator World version 3.3.0.7 CLICK HERE  Windows XP, Windows Vista, Windows 7 
 Short link: http://bit.ly/mdtcalworldv33(Update from version 1.0 to 2.0 and from 2.0 to 3.0 needs to be through the installer above only!)
(Version 1.0 disconnected!)

To support Calculator World, rate us "thumbs-up" here: http://apptivate.ms/apps/27/calculator-world

Calculator World finally got accepted by the Windows 8 Store!
            LINK: http://apps.microsoft.com/webpdp/en-US/app/calculator-world/cf4b9639-5002-40f3-9ea9-3d88b553ac81

  NOTE: This version supports only the following resolutions:   
   1024 x 768 (NOT RECOMMENDED), 1366 x 768, 1920 x 1080, and 2560 x 1440!!!
Lower resolutions aren't supported by metro apps as stated here (second section).If you try a different resolution there is space around my program (if  the resolution is higher) or some is "cut off" (If the resolution is lower). If  you know a solution to this problem click here.NOTE: Version 3.7 is on the website only temporarily since I will submit it to the Windows App Store    :(
(according to the App Store's policy the app can be submitted ether to the App Store or your website, NOT both)
Click Here to download the source code for version 3.3.0.7 (Visual Studio, or Visual Basic Express, is needed to open these files).
(Hosted by MediaFire)   If link is broken please e-mail me at [email protected]
  To download, just click the "Download" button on the website. 

MD5 code for the source code: 83D554666416F07B1AB65EE0D85B305A