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Math Symbols:
The Most Valuable and
Important Symbols Used




Background - why math symbols are used. . .

Symbols are a concise way of giving lengthy instructions related to numbers and logic.

Symbols are an invention, not a discovery. They are a communication tool. Symbols are used to eliminate the need to write long, plain language instructions to describe calculations and other processes.

For example, a single symbol stands for the entire process for addition. The familiar plus sign eliminates the need for a long written explanation of what addition means and how to accomplish it.



The same symbols are used worldwide . . .

           The symbols used in mathematics are universal.  The  
           same math symbols are used throughout the civilized world.     
           In most cases each symbol gives the same clear, precise    
           meaning to every reader, regardless of the language they 
           speak.

The most valuable, most frequently used Symbols in mathematics . . .

           The most important, most frequently used math symbols are  
           listed below.  They are separated into five different categories:  
           Operations (computation), Relation, Grouping, Sets, and 
             Miscellaneous.
		  


Math Symbols for Set Notation - click description
Math - Brace Symbols used to Identify Sets
Math - Null Set
Math - Symbol for Element of a Set
Math - Symbol for NOT Element of a Set
Math - Symbol for PROPER Subset (left) of Set (right)
Math - Symbol for NOT Subset (left) of Set (right)
Math - Symbol for PROPER or IMPROPER Subset (left) of Set (right)
Math - (Another) Symbol for PROPER Subset (left) of Set (right)
Math - Symbol for Subset (right) of Set (left)
Symbol for PROPER or IMPROPER Subset (right) of Set (left)
Math - (another) Symbol for PROPER Subset (right) of Set (left)
Math - Symbol for UNION of Two Sets
Math - Symbol for INTERSECTION of Two Sets
Math - Specialized Set Notations N (natural numbers), Z (integers), Q (rational numbers), and R (real numbers)






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