|Noun||1.||DC - the district occupied entirely by the city of Washington; chosen by George Washington as the site of the nation's capital and carve out of land ceded by Maryland and Virginia|
|2.||DC - an electric current that flows in one direction steadily|
Synonyms: direct current
|(language, tool)||DC - The Unix arbitrary precision postfix
calculator and its language.|
Here is an example program which prints out factorials:
echo "[la1+dsa*pla2220>y]sy0sa1lyx" | dc
Unix manual page: dc(1).
bc provides a somewhat more readable syntax which is compiled into dc. There is also a GNU DC.