*Function domain*
is the set of all possible values of the argument at which the values of function are defined. I.e. if we are given some function
,
then its domain is all those values of
which we can input to the equation
and get the result different from infinity and/or division by zero.

Our online calculator (based on the Wolfram Alpha system) is able to
*find domain*
for almost any, even very complicated function.

Function domain calculator

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Function's range calculator

Function's inflection points calculator