** very very large numbers
   :PROPERTIES:
   :DATE:     2010-10-13
   :END:
#+tblname: numbers
|                           1 |
|                           2 |
|                          12 |
|                          45 |
|                         166 |
|                    12567890 |
| 231231282371983279389999999 |

#+begin_src emacs-lisp :var numbers=numbers
  (mapcar
   (lambda (line)
       (let ((number (car line)))
         (list number (type-of number))))
     numbers)
#+end_src

#+name:
|                      1 | integer |
|                      2 | integer |
|                     12 | integer |
|                     45 | integer |
|                    166 | integer |
|               12567890 | integer |
| 2.3123128237198328e+26 | float   |