Free Complex Number Operations Calculator - Given two numbers in complex number notation, this calculator:
1) Adds (complex number addition), Subtracts (complex number subtraction), Multiplies (complex number multiplication), or Divides (complex number division) any 2 complex numbers in the form a + bi and c + di where i = √-1.
2) Determines the Square Root of a complex number denoted as √a + bi
3) Absolute Value of a Complex Number |a + bi|
4) Conjugate of a complex number a + bi

Free Expanded Notation Calculator - Writes the expanded notation for a number.

Free Expected Value Calculator - This lesson walks you through what expected value is, expected value notation, the expected value of a discrete random variable, the expected value of a continuous random variable, and expected value properties.

Free Index Form Calculator - Writes a number using index form notation

Free Integers Calculator - This lesson walks you through what integers are, how to write integers, integer notation, and what's included in integers

Free Interval Notation and Set Builder Notation Calculator - This calculator translates the following inequality statements to interval notation and set builder notation:
* x < 5
* y <= 5
* z > 5
* a >= 5
* b < 5 or b > 20
* Compound Inequality such as 0 <= c < 4
* |x|<3
* Reverse Interval Notation to Inequality Statement such as (-7,5]
* {x|x<1}
* Word representations of interval notations such as 2 is less than or equal to x is less than or equal to 8

Free L'Hôpital's Rule Calculator - This lesson walks you through L'Hôpitals's Rule including the definition, pronunciation, notation, and examples

Free Lagrange Four Square Theorem (Bachet Conjecture) Calculator - Builds the Lagrange Theorem Notation (Bachet Conjecture) for any natural number using the Sum of four squares.

Free Limit of a Function Calculator - This lesson walks you through what limit is, how to write limit notation, and limit theorems

Free Plane Geometry Operations Calculator - Evaluates and simplifies various plane geometry notation and operations

Free Rational Numbers Calculator - This lesson walks you through what rational numbers are, how to write rational numbers, rational number notation, and what's included in rational numbers

Free Real Numbers Calculator - This lesson walks you through what real numbers are, how to write real numbers, real numbers notation, and what's included in real numbers

Free Roster Notation Calculator - Given a set of numbers, this displays the roster notation

Free ROT-13 Conversions Calculator - This calculator converts ROT-13 (rot13) (rotate by 13 places) notation to standard notation or standard notation to ROT-13 notation.

Free Scientific Notation Calculator - * Converts a number into scientific notation and determines order of magnitude
* converts scientific notation to a number (standard notation). Also handles scientific notation operations.

Free Set Notation Calculator - Given two number sets A and B, this determines the following:
* Union of A and B, denoted A U B
* Intersection of A and B, denoted A ∩ B
* Elements in A not in B, denoted A - B
* Elements in B not in A, denoted B - A
* Symmetric Difference A Δ B
* The Concatenation A · B
* The Cartesian Product A x B
* Cardinality of A = |A|
* Cardinality of B = |B|
* Jaccard Index J(A,B)
* Jaccard Distance J_σ(A,B)
* Dice's Coefficient
* If A is a subset of B
* If B is a subset of A

Free Set Theory Notation Calculator - Evaluates and describes various set theory notation

Free Standard Notation Calculator - Displays the Standard notation of expanded notation

Free Standard Notation Calculator - Calculates the following:
* The numeric notation of word notation
* Standard notation of expanded notation

Free What is a Function Calculator - This lesson walks you through what a function is, how to write a function, the part of a function, and how to evaluate the outputs of a function.
This lesson also shows you the domain and range of a function. This lesson shows you the y-intercept of a function and the x-intercept of a function. Also shows Relation and function

Free Word Notation Calculator - Calculates the following:
* The word notation of a number of numeric expression