Is there a command line calculator that will let me do bit operations and has good support for hex. E.g. for operations like:

0xff << 3
(1 << 5) ^ 0x77

Bad solutions:

  • bc - laughable support for hex
  • Frink - might work, but it's a big java app and not easily installable through Brew etc.
  • radix-calc - close to what I want, but I'd prefer a REPL, with support for variables etc.
  • Python - too verbose for printing hex etc.

The software should work on a Mac and ideally be open source. Must support standard C operators, and ideally setting variables and printing them as hex.

  • Isn't OS X just a GUI over BSD? I'm not trying to start a flame war here with that "just". But, maybe a UNIX or even Linux tag might attract more answers, since it's a command line utility you are after. Dec 5, 2018 at 13:20

1 Answer 1


PowerShell (PowerShell Core) comes close to what you want. It's a REPL, supports hex, supports variables, supports defining functions. (It's more than a plain calculator, though!)


It supports the functionality of bitwise operators, but not with the C symbols - e.g., << is -shl, | is -bor, and so on - see Get-Help about_Arithmetic_Operators for details.

Hex output is awkward and verbose; you'd pretty much have to do it as "{0:X4}"-f (insert calculation here) (4 is the number of hex digits to use; you can use more or less as you choose) - but hex input is standard - 0x followed by hex digits.

  • Not a terrible option. I feel like radix-calc is better. Maybe I'll just modify it to have a REPL.
    – Timmmm
    Aug 6, 2018 at 15:06
  • @Timmmm - You consider this not a terrible option? How is this better than Python? Python uses C symbols and standard hex input; and hex output is achieved by simply using the hex function. Obviously Python has a REPL, variables, and functions. It's even already installed on your Mac.
    – John Y
    Oct 5, 2018 at 22:25
  • Yeah after trying it Python does seem a better option.
    – Timmmm
    Oct 6, 2018 at 12:04

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