Sunday, December 10, 2017

algebra symbols

Symbols in Algebra

Common Symbols Used in Algebra

Symbols save time and space when writing. Here are the most common algebraic symbols:
SymbolMeaningExample
+add3+7 = 10
subtract5−2 = 3
×multiply4×3 = 12
multiply symbolmultiply (as "×" can look like "x")4·3 = 12
/divide20/5 = 4
radical symbolsquare root("radical")√4 = 2
cube root symbolcube root 
nth root symbolnth root 
( )grouping symbols (round brackets)2(a−3)
[ ]grouping symbols (square brackets)2[ a−3(b+c) ]
{ }set symbols (curly brackets){1,2,3}
=equals1+1 = 2
approximately equal symbolapproximately equal toπ approximately equal symbol3.14
not equal toπ  2
< ≤less than, less than or equal to2 < 3
> ≥greater than, greater than or equal to5 > 1
implies symbolimplies (if ... then)a and b are oddimplies symbola+b is even
iff symbol"if and only if" or iffor "is equivalent to"x=y+1iff symboly=x−1
therefore symbolThereforea=b therefore b=a
!Factorial4! = 4×3×2×1 = 

No comments:

Post a Comment