Typing Math Symbols in Word
Step-by-step guide
Type math into word easily
Ever wish you could just type delta instead of having to go to "insert symbol"? Here's HowOpen word
Select File
Options
Proofing
Autocorrect Options
Math AutoCorrect Tab
Select "Use Math Autocorrect Rules outside of math regions"
Now you can type the name of the symbols and get the symbol.
the trick is to precede it with a "\"
So, "\Delta" will be replaced with a capital delta and "\delta" a lower case delta.
"\pm" will give you the 'plus/minus' symbol
The code your using is actually "LaTex" here's a more complete list of what you can use.
http://web.ift.uib.no/Teori/KURS/WRK/TeX/symALL.html