Use APKPure App
Get Umask Calculator old version APK for Android
حساب UNIX و Linux أذونات الملفات والدلائل الجديدة في ومضة!
Umask Calculator helps you calculate UNIX and Linux permissions when files and directories are created using a umask.
* Completely free
* No ads
* Supports both portrait and landscape orientations
* Very efficient app (fast, uses very little memory, and occupies little storage space)
* Android 1.5+ supported
Also check out Chmod Calculator if you find this app useful.