You are downloading the Boolean Algebra XAP file v18.104.22.168 for Windows Phone. Boolean Algebra is a free and useful Education app: I have tried writing a strong pattern matching algorithm to resolve the K-Map. If you find any expression that is not correctly resolved using this ... You can now download the offline XAP file to install & try it.
Download Locations for Boolean Algebra 22.214.171.124 XAP file
Important Notice: Now Due To Unspecified Limitations, You Can Not Use The Offline XAP File To Install It Any More.
To try to install it manually from an SD card, you should choose one of the server location above to get the offline Boolean Algebra XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.