galculator(1) on Linux
The text ebb4872c2f6c, as Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny), Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.
a GTK 2 based scientific calculator
Flags it lists
-
--help -
--version -
-h -
-v