press these numbers using num keys (at the right side of the keyboard)with alt key .
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 + 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