Package bc
GNU's bc (a numeric processing language) and dc (a calculator)
https://www.gnu.org/software/bc/
The bc package includes bc and dc. Bc is an arbitrary precision
 numeric processing arithmetic language. Dc is an interactive
 arbitrary precision stack based calculator, which can be used as a
 text mode calculator.
 
 Install the bc package if you need its number handling capabilities or
 if you would like to use its text mode calculator.
Version: 1.08.2
| General Commands | |
| bc | An arbitrary precision calculator language | 
| dc | an arbitrary precision calculator |