bc

An arbitrary precision calculator language. See also: dc. More information: https://keith.github.io/xcode-man-pages/bc.1.html.

• 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)'