HOW TO MAKE SYMBOLS WITH KEYBOARD

Useful Information
Alt + 0153... ™... trademark symbol
Alt + 0169... ©... copyright symbol
Alt + 0174... ®... registered trademark symbol
Alt + 0176...°..... degree symbol
Alt + 0177...±.... plus or minus sign

How to make smiley faces
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