12.6  MATH_SYMBOLS 

Case character:
M = Mathematical symbols
     1.  .    Dot product
     2.  X    Cross product
     3.  /    Division sign
     4.  P    Group plus
     5.  M    Group multiply
     6.  +    Plus or minus
     7.  -    Minus or plus
     8.  L    Less than

     9.  G    Greater than 
    10.  M    Less than or equal
    11.  H    Greater than or equal
    12.  N    Not equal
    13.  =    Identically equal
    14.  A    Approximately equal
    15.  C    Congruent to
    16.  S    Similar to
    17.  R    Proportional to
    18.  T    Perpendicular to
    19.  2    Square root
    20.  D    Degrees
    21.  I    Integral sign
    22.  J    Line integral
    23.  Y    Partial derivative
    24.  Z    Del.
    25.  (    Left floor braket
    26.  )    Right floor braket
    27.  B    Left ceiling braket
    28.  E    Right ceiling braket
    29.  0    Infinity