Some Characters you might need

[Nick]

Hold down alt key + 0162 ¢ Cent sign
Hold down alt key + 0163 £ Pound sign
Hold down alt key + 0169 © Copyright sign
Hold down alt key + 0171 « Left double angle quotes
Hold down alt key + 0174 ® Registered trade mark sign
Hold down alt key + 0176 ° Degree sign
Hold down alt key + 0177 ± Plus-or-minus sign
Hold down alt key + 0178 ² Superscript two - squared
Hold down alt key + 0179 ³ Superscript three - cubed
Hold down alt key + 0180 ¹ Superscript one
Hold down alt key + 0187 » Right double angle quotes
Hold down alt key + 0188 ¼ Fraction one quarter
Hold down alt key + 0189 ½ Fraction one half
Hold down alt key + 0190 ¾ Fraction three quarters