SilverLight中显示上标，下标，平方

string water = "H" + "\x2082" + "O"; // You can split the string up if you want.

string ammonia = "NH\x2083"; // Or not split it.

string energy = "e=mc\x00B2"; // Most well-known, poorly understood equation.

string PythagoreanTheorem = "a\x00B2+b\x00B2=c\x00B2"; \\ Also well-known. 

3. Character reference.

Superscript:

0 : U+2070

1 : U+00B9

2 : U+00B2

3 : U+00B3

4-9 : U+2074-2079

+ : U+207A

- : U+207B

= : U+207C

( : U+207D

) : U+207E

n : U+207F

Subscript

0-9 : U+2080-2089

+ : U+208A

-: U+208B

=: U+208C

(: U+208D

): U+208E