You are downloading the Microsoft Math XAP file v220.127.116.11 for Windows Phone. Microsoft Math is a free and useful Education app: Microsoft Math makes the learning experience personal, engaging and exciting. Students can do math exercises, read theory, learn from examples, and ... You can now download the offline XAP file to install & try it.
Download Locations for Microsoft Math 18.104.22.168 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 Microsoft Math XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.