input-pad software package provides On-screen Input Pad to Send Characters with Mouse, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install input-pad
input-pad is installed in your system.
Make ensure the input-pad package were installed using the commands given below,
$ sudo dpkg-query -l | grep input-pad *
You will get with input-pad package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Utilities |
| Package | input-pad |
| Version | 1.0.3-1 |
| Description | On-screen Input Pad to Send Characters with Mouse |
| Sub Section | Utils |