command-line calculator?

[Parv]

in message <36fb6de804062508417917d0b8 at mail.gmail.com>,
wrote CD Baby thusly...
>
> What simple built-in command-line tools are available if I want to
> just do some simple math on the command line?
> 
> If I'm there in a shell, and need to know what 17 times 36 equals?

In addition to [bd]c(1) ...

  Perl:
    perl -e 'print +(17 * 36)'

  awk:
    echo |awk '{print 17 * 36}'


  - Parv

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