How to make symbols with keyboard

Now a days, commenting is popular things. To make the commenting attractive, there are many symbols available which can be used to make commenting attractive. 



MAKE SYMBOLS WITH KEYBOARD

• 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 ...¢....  cent sign
• Alt + 0161 .....¡..... .upside down exclamation
• Alt + 0191 .....¿..... upside down question mark
• Alt + 1...... ☺.....smiley face
• Alt + 2 ......☻..... black smiley face
• Alt + 15.....☼..... sun
• Alt + 12......♀..... female sign
• Alt + 11.....♂...... male sign
• Alt + 6.......♠..... spade
• Alt + 5.......♣......  Club
• 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 arrow
• Alt + 27......←..... left arrow
• Alt + 18.....↕...... up/down arrow
• Alt + 29......↔...  left right arrow