Root File Manager, with a Terminal
This is a Root File manager aka SU File manager with included terminal, supports running scripts, viewing/extracting/installing apks, creating/viewing/extracting zip files, file launcher/viewer, Syntax highlighting, ability to view apk xml files, also the ability to browse a computer via wifi and transfer files back and forth.
Manage/Transfer your PC Files through your phone
A linear system solver for unlimited number of equations and unknowns