Re: The next exercise

[Gregory Heytings]

> > M-: (substring (number-to-string (expt 1001 1000)) 0 3) RET
> >
> > "271"
>
> Yes - correct!
>
> My expectation was that someone would try Emacs Calc.  Because it can 
> compute the number exactly - all digits.

You asked for the first three digits, but of course expt also computes the 
number exactly:

M-: (expt 1001 1000) RET

But indeed:

M-x calc RET 1001 RET 1000 RET ^