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bc

An arbitrary precision calculator language. More information: https://manned.org/bc.

  • Start bc in interactive mode using the standard math library:

bc -l

  • Calculate the result of an expression:

bc <<< "(1 + 2) * 2 ^ 2"

  • Calculate the result of an expression and force the number of decimal places to 10:

bc <<< "scale=10; 5 / 3"

  • Calculate the result of an expression with sine and cosine using mathlib:

bc -l <<< "s(1) + c(1)"