Abnet-Screen Keyboard is a virtual keyboard that is displayed on the computer screen.  It is used as an alternative to the physical keyboard, so users can type Amharic or Arabic character  using a mouse or other input device. 

It is possible to write Geez Number directly using Abnet Auto Geez number Converter .
Tthe following video shows how Auto Geez number in Abnet Keyboard input manager is used for writing Geez number as any number.

How to use Abnet Keyboard Interface and Keyboard Layout

Amharic Typing with keyboard and mouse Using Abnet IME window