This is special symbols not available in keyboard, you must use Alt with other number for make it.

Alt + 0153..... ™... trademark symbol

Alt + 0169.... ©.... copyright symbol

Alt + 0174..... ®... .registered trademark symbol

Alt + 0176 ...°....... .degree symbol

Alt + 0177 ...± ... .plus-or-minus sign

Alt + 0182 ...¶....... paragraph mark

Alt + 0190 ...¾...... fraction, three-fourths

Alt + 0215 .... ×..... multiplication sign

Alt + 0162... ¢...... the cent sign

Alt + 0161..... ¡...... upside down exclamation point

Alt + 0191..... ¿..... upside down question mark

Alt + 1.......... ☺... smiley fsce

Alt + 2 ......... ☻... black smiley face

Alt + 15........ ☼... sun

Alt + 12........ ♀.... female sign

Alt + 11....... ♂.... male sign

Alt + 6......... ♠..... spade sign

Alt + 5.......... ♣.... Club symbol

Alt + 3.......... ♥.... Heart

Alt + 4.......... ♦..... Diamond

Alt + 13........ ♪..... eighth note

Alt + 14........ ♫.... beamed eighth note

Alt + 8721.... ∑ .... N-ary summation (auto sum)

Alt + 251...... √ ..... square root check mark

Alt + 8236..... ∞ .... infinity

Alt + 24........ ↑..... up arrow

Alt + 25........ ↓..... down arrow

Alt + 26........ →... right pointing arrow

Alt + 27........ ←... left arrow

Alt + 18........ ↕..... up/down arrow

Alt + 29........ ↔... left right arrow

Have Fun !!! :)