_  _   _
     \/ _ /  / \ |_'  \/
     /  - \_ \_/ ._|  /\

                 | 1
              ,--|--.
           ,-'   |   `-.           *Not so accurate scale*
         ,'      |      `.
       ,'        |        `.
      /          |          \
     /           |           \                           /
----+------------+------------\-------------+------------/---
   __            |0         __ \          __           /  __
   ||            |          ||  \         ||          /  3||  
 - ---           |          ---  `.                 ,'   --- 
    2            |           2     `.             ,'      2
                 |                   `-.       ,-'
                 | -1                   `--,--'


sps / WiktorM

       ,-"~"-.
      /  ._.  \
     :  /   \  :
     !  !    : !
     ;  !    ; ;
    /    \  / /
   /      \/ /
  /       /`/
 /       / /\
 |     .`-'  |
 |    .'.'   |
 |    : :    |
 |  ..: :..  |
 |.' .' `. '.|
 `\ '     ` /'
   `--___--'  mn

From: burmeist@eel.micro.umn.edu (Robert A. Burmeister)


The following are some examples of mathematical symbols made out of ascii
characters.  They are useful to use in comments in programs.  Or they are
very useful if you don't know TeX or other means for typesetting mathematics.


3 __                                 ___         _________
\/8   or better, but bigger is    3 / 8   or    / 2    2
                                  \/          \/ x  + y


 x  oo  k
e = E  x / k!
   k=1


or better, but bigger is


     oo   k
 x   __  x
e  = \  ---
     /_  k!
     k=1


     _       _
 d  |    1    |      1
 -- |  -----  | = ------ 2
 dx |_ 1 - x _|   (1 - x)


__
\/ . B = 0    if you know what Maxwell's equations are    div(B) = 0


__          ____
| \ 1      / pi
|   - =   / ---
|   2   \/   2



 |^ sin(x) dx = -cos(x) + C
^


or better, but bigger


 |^
 | F dx = work
 |
^


+oo
 |^ sin(ax) sin(bx)         (pi)a
 |  --------------- dx  =   ----- ,   if a < b
 |          2                 2
^          x
 0

       __
      /\ \   Moebius Strip
     / /\ \   (1/2 twist)
    / /__\ \
    \/____\/


       __
      /\ \   Moebius Strip
     / /\ \   (1 & 1/2 twists)
    / /__\_\
    \/_____/    mn

    _____________
   / ___________ \
  | /           \ |
  | \___________/\|
   \KCK__________/

-=[ mobius strip ]=-  6/99
       _______
      /    \\\\
     /  /\  \\\\
    /  ///\  \\\\
   /  //// \__\\\\
   \  \\\\ /  ////
    \  \\\\  ////
     \  \\\\////
  jgs \  \\\///
       `"""""`

       _______
      /    \::\
     /  /\  \::\
    /  /::\  \::\
   /  /::/ \__\::\
   \  \::\ /  /::/
    \  \::\  /::/
     \  \::\/::/
  jgs \  \::::/
       `"""""`

   3.141592
  653589793
 23    84
6 2    64
  3    38
  3    27
  9    50 2
8 8    4197
 16     93  SS


(43 digits)

From: zhuhail@vax.sbu.ac.uk

How about following two line pi?


      __   __   __   _    __
      ||   /L   JL   "    )L

|     .-.
|    /   \         .-.
|   /     \       /   \       .-.     .-.     _   _
+--/-------\-----/-----\-----/---\---/---\---/-\-/-\/\/---
| /         \   /       \   /     '-'     '-'
|/           '-'         '-'

unknown

...............o......o.......................................................
............o............o....................................................
..........o................o..................................................
........o....................o................................................
.......o......................o...............................................
.....o..........................o.............................................
....o............................o............................................
...o...............................o..........................................
..cjr_16oct96.......................o..............................o..........
.....................................o............................o...........
......................................o..........................o............
........................................o......................o..............
.........................................o....................o...............
...........................................o................o.................
.............................................o............o...................
................................................o......o......................

     ^   sin x
     |
    ,|, 1    _....._
     |    ,="       "=.
     |  ,"             ".                           ,"
     |,"        ,        ".,          ,          ,,"
"""".*""""""""""|""""""""""|."""""""""|""""""""".|"""">
  ." |                       ".               ." __    x
,"   |                         "._         _,"   ||
    ,|,                  sm       "-.....-"
     |  -1
     |

             |            ^ y        |                       |
             |            |          |                       |
             |            |          |                       |
             |            |          |                       |
            .'            |         .'                      .'
            |             |         |                       |
            '             |         '      y=tan(x)         '
           :              |        :                       :
           :              |        :                       :
           '              |        '                       '
          :               |       :                       :
         .                |      .                       .
        .                 |     .                       .
       .                  |    .                       .
     .'                   |  .'                      .'
   .'                     |.'                      .'             x
--+-----------+-----------+-----------+------------+-----------+-->
.'__         __         .'| 0        __         .' __         __
 -||         ||       .'  |          ||       .'   ||        3||
           - ---     '    |          ---     '               ---
              2     '     |           2     '                 2
                   '      |                '
                  :       |               :
                 ,        |              ,                       ,
                 :        |              :                       :
                 :        |              :                       :
                ,         |             ,                       ,
                |         |             |                       |
               ,'         |            ,'                      ,'
               |          |            |                       |
               |          |            |                       |
               |          |            |                       |


WiktorM