I use python as a calculator all the time as well since longs have no limit.<p><pre><code>    $ python
    Python 2.7.10 (default, Jul 14 2015, 19:46:27)
    [GCC 4.2.1 Compatible Apple LLVM 6.0 (clang-600.0.39)] on darwin
    Type &quot;help&quot;, &quot;copyright&quot;, &quot;credits&quot; or &quot;license&quot; for more information.
    &gt;&gt;&gt; hex(17281580835365214242)
    &#x27;0xefd4823541245822L&#x27;</code></pre>