From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thierry Banel <tbanelwebmin@free.fr>
Subject: text-only plots
Date: Sat, 7 Dec 2013 19:48:51 +0000 (UTC)
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Hi all Org fans.

What about text-only plots in tables ?
All in Emacs, without any external package.

|  x | x^2 |              |
|----+-----+--------------|
|  0 |   0 |              |
|  1 |   1 | .            |
|  2 |   4 | :            |
|  3 |   9 | u            |
|  4 |  16 | W            |
|  5 |  25 | Wu           |
|  6 |  36 | WW:          |
|  7 |  49 | WWH          |
|  8 |  64 | WWWV         |
|  9 |  81 | WWWWH        |
| 10 | 100 | WWWWWW       |
| 11 | 121 | WWWWWWW-     |
| 12 | 144 | WWWWWWWWl    |
| 13 | 169 | WWWWWWWWWW.  |
| 14 | 196 | WWWWWWWWWWWV |
#+TBLFM: $3='(orgtbl-ascii-draw $2 0 200)

I wrote a package to draw such small-quick-and-text-only graphs.
It is here: http://orgmode.org/worg/org-contrib/orgtbl-ascii-plot.html
Just type C-c p

Comments and enhancements are welcome!
Have fun.