calc(1) on Linux
The text d995c3274b24, as Debian 4.0 (Etch) shipped it.
arbitrary precision calculator
Flags it lists
-
-- -
-C -
-D -
-O -
-c -
-d -
-e -
-f -
-h -
-i -
-m -
-p -
-q -
-s -
-u -
-v