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bc

An arbitrary precision calculator language. See also: dc. More information: https://manned.org/man/freebsd-13.0/bc.1.

  • Start an interactive session:

bc

  • Start an interactive session with the standard math library enabled:

bc --mathlib

  • Calculate an expression:

bc --expression='{{5 / 3}}'

  • Execute a script:

bc {{path/to/script.bc}}

  • Calculate an expression with the specified scale:

bc --expression='scale = {{10}}; {{5 / 3}}'

  • Calculate a sine/cosine/arctangent/natural logarithm/exponential function using mathlib:

bc --mathlib --expression='{{s|c|a|l|e}}({{1}})'