Our life today revolves around word documents and spreadsheets. There are quite a large number of keyboard short cuts we use. Other than Ctrl-C, Ctrl V, here are some interesting shortcuts that work in combination with the Alt key.
 
 
 
Mathematics symbols:
For ° degree symbol - use Alt + 0176
Emoticons:
 For ☺smiley face- use Alt + 1
 For ☻black smiley face- use Alt + 2
Playing cards:
For ♥ Heart - use Alt + 3
For ♦ Diamond- use Alt +4
 
For ♣ Club - use Alt + 5
For ♠ spade - use Alt +6
Arrows:
For ↑up arrow - use Alt + 24
For ↓down arrow - use Alt + 25
For → right arrow - use Alt + 26
For ← left arrow - use Alt + 27
For ↕up/down arrow - use Alt + 18
For ↔ left right arrow - use Alt + 29
Website related symbols:
 For ™ trademark symbol  - use Alt + 0153         
For © copyright symbol- use Alt + 0169
For © copyright symbol- use Alt + 0169
 For ®registered  trademark symbol  - use Alt + 0174    
Mathematics symbols:
For ° degree symbol - use Alt + 0176
For  ± plus-or -minus sign - use Alt + 0177
For ¾ fraction or three-fourths- use Alt + 0190For × multi plication sign- use Alt + 0215
For ∑ N-ary summation (auto sum) - use Alt + 8721
For √ square root or check mark - use Alt + 251
Musical Notes:
For ♪ eighth note- use Alt + 13
For ♫ beamed eighth note- use Alt + 14
English Grammar:
For ¶ paragraph mark- use Alt + 0182
For ¡ upside down exclamation point - use Alt + 0161
For ¿ upside down question mark- use Alt + 0191
For ¿ upside down question mark- use Alt + 0191
Other signs:
For ☼ sun - use Alt + 15
For ♀ female sign- use Alt + 12
For ♂ male sign- use Alt + 11
