Equate (computer program)
Screenshot of equate in its basic mode. A scientific mode is also available.
Equate is a desktop calculator computer program made with the Enlightenment foundation libraries. It was created to demonstrate the EWL component of the libraries, which provides widget support.
It is fully themeable and can be used as a command line calculator as well:
equate -e 2*2
for example, will return 4.