HERE ARE SOME OF THE SYMBOLS YOU CAN MAKE WITH THE ALT AND SHIFT KEYS...

This first group of symbols are made by pushing ALT and The Letter:
A = å
B = ™ trade mark
C = ç cedilla
D = ð   icelandic eth
F = ƒ   function
G = ©   copyright
H = ª  feminine ordinal
J = º   masculine ordinal
K = †   dagger
L = ¬   not sign
M = µ   micron sign
O = ø   o slash
P = ¶   paragraph
Q = æ
R = ® registered brand name
S = ß
T = þ  icelandic thorn
V =¸
W = œ
X = ×
Y = ¥  yen currency
Z = §
1 = ¹  superscript
2 = ²
3 = ³
4 = ¢  cents
5 = ¼
6 = ½
7 = ¾
8 = •
0 = °  degree
.= ›
,= ‹
[ = '

This next group uses the ALT key and Shift key and the letter:

A = Å
C = Ç  cedilla
D = Ð
H = ‚
I = ·
J = „
K = ‡  double dagger
L = ¯
O = Ø
Q = Æ
W = Œ
T = Þ
1 = ¡   inverted exclamation
3 = £  pound sterling
4 = ¤  general currency symbol
5 = ‰ per thousand
Ž�9 = €
0 = �
? = ¿
= is ±
{ = "
} = "
\ = ¦

��For this next group..... Push ALT,then the letter. Then release ALT... and push the letter once more.
e = é
i = î
n = ñ
u = ü umlaut

To Make Them Capitol, use ALT+Escape and the letter. Then release and push Shift and the letter once more:
E = É
I = Î
N = Ñ
U = Ü

For these push ALT+E, then release and push the letter.
a = á
e = é
i = í
o = ó
u = ú
y = ý

All of the following also work with the capitol letter method above. For These push ALT+I, then release and push the letter.
a = â
e = ê
i = î
o = ô
u = û
s = š

To add the Umlaut to these letters push ALT+U, then release and push the letter:

a = ä
e = ë
i = ï
o = ö
u = ü
y = ÿ

For these push ALT+` (the ` is at the top left of your keyboard) [not a web tv keyboard, it's ALT+lower case~ to the right of Fn, what ever that is...] then release and push the letter.
a = à
e = è
i = ì
o = ò
u = ù

Here are a few more:
Push ALT + N, then A to get this: ã
Push ALT + i, then S to get this: š
Push ALT + N, then O to get this: õ