Insert mathematical symbols
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In Microsoft Office Word 2007, you can insert mathematical symbols into equations.

On the Insert tab, in the Symbols group, click the arrow under Equation, and then click Insert New Equation.

Under Equation Tools, on the Design tab, in the Symbols group, click the More arrow .

Click the arrow next to the name of the symbol set, and then click the name of the symbol set that you want to display.

Click the symbol that you want to insert.
Available symbol sets
The following mathematical symbol sets are available in Office Word 2007.
Symbol set 
Subset 
Definition 
Basic Math 
None 
Commonly used mathematical symbols, such as > and < 
Greek Letters 
Lowercase 
Lowercase letters from the Greek alphabet 
Uppercase 
Uppercase letters from the Greek alphabet 

LetterLike Symbols 
None 
Symbols that resemble letters 
Operators 
Common Binary Operators 
Symbols that act on two quantities, such as + and ÷ 
Common Relational Operators 
Symbols that express a relationship between two expressions, such as = and ~ 

Basic Nary Operators 
Operators that act across a range of variables or terms 

Advanced Binary Operators 
Additional symbols that act on two quantities 

Advanced Relational Operators 
Additional symbols that express a relationship between two expressions 

Arrows 
None 
Symbols that indicate direction 
Negated Relations 
None 
Symbols that express a negated relationship 
Scripts 
Scripts 
The mathematical Script typeface 
Frakturs 
The mathematical Fraktur typeface 

DoubleStruck 
The mathematical doublestruck typeface 

Geometry 
None 
Commonly used geometric symbols 