You are downloading the Formulex XAP file v1.2.0.0 for Windows Phone. Formulex is a free Education App: Formulex is a math and geometry formulary and it has the goal of giving in a clear and concise way the searched formula, associated with its application to. You can now download the offline XAP package file to install & try it.
Download Locations for Formulex 1.2.0.0 XAP file
Package File
Please Click Here > to retrieve available package files for Formulex.
Please be aware that the Formulex XAP file you are to download is hosted on the Microsoft Store CDN server. You can read more about Formulex or get it on Microsoft Store.
To try to install it manually from an SD card, you should choose one of the server location above to get the offline Formulex XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.