язык точной арифметики (precision arithmetic language)
Имя (Name)
bc — arbitrary-precision arithmetic language
Синопсис (Synopsis)
bc [-l] [file...]
Описание (Description)
The bc utility shall implement an arbitrary precision calculator.
It shall take input from any files given, then read from the
standard input. If the standard input and standard output to bc
are attached to a terminal, the invocation of bc shall be
considered to be interactive, causing behavioral constraints
described in the following sections.
