Desk calculator

SYNTAX
dc

OPTIONS

-e EXPR
–expression=EXPR
Evaluate EXPR as DC commands.

-f FILE
–file=FILE
Read and evaluate DC commands from FILE.

-h
–help
Print a usage message summarizing the command-line options, then
exit.

-V
–version
Print the version information for this program, then exit.

To exit, use &qt;q&qt;&qt;.DESCRIPTION
The desk calculator works with postfix notation; rather like many HP Calculators.
Basic arithmetic uses the standard + – / * symbols but entered after the digits

so entering:

100
0.5
*
p

will return 50