Base Change Conversions

Free Base Change Conversions Calculator - Converts a positive integer to Binary-Octal-Hexadecimal Notation or Binary-Octal-Hexadecimal Notation to a positive integer. Also converts any positive integer in base 10 to another positive integer base (Change Base Rule or Base Change Rule or Base Conversion)

Complex Number Operations

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

Expanded Notation

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

Expected Value

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.

Index Form

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

Integers

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

Interval Notation and Set Builder Notation

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

L'Hôpital's Rule

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

Lagrange Four Square Theorem (Bachet Conjecture)

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.

Limit of a Function

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

Plane Geometry Operations

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

Rational Numbers

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

Real 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

Roster Notation

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

ROT-13 Conversions

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.

Scientific 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.

Set Notation

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 Jσ(A,B)
* Dice's Coefficient
* If A is a subset of B
* If B is a subset of A

Set Theory Notation

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

Standard Notation

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

Standard Notation

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

Word Notation

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

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