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Re: Arbitrary Precision Arithmetic Package for Common Lisp

> The other day, I was trying to do some arithmetic with very large
> numbers and to my surprise, kcl ran out of bignum stack. I found
> that in kcl you cannot calculate (expt 2 40000). I need a package
> for common lisp in which I can do arbitrary presicion arithmetic.
> If anyone is aware of any such package, I would be very grateful
> if he/she could tell me how to get it.

But KCL _can_ do this one.  Here is akcl 1-505:

   > (setq aa (expt 2 40000) b 10)

   > (integer-length aa)

-- jd