# Online Calculator

## Education

### Mathematics

- Triangle
- Area
- Volume and surface area
- Plane geometry
- Space geometry
- Inscribed and circumscribed
- Trigonometric functions (Deg)
- Trigonometric functions (Rad)
- Hyperbolic functions
- Logarithm, exponential
- Complex number
- Equation
- Progression
- Permutation and combination
- Regression
- Various probability
- Computing Pi
- Others

## Professional

### Probability Function

- Normal distribution
- Logarithmic normal distribution
- Bivariate normal distribution
- Chi-square distribution
- Student's t-distribution
- F-distribution
- Noncentral chi-square distribution
- Noncentral t-distribution
- Noncentral F-distribution
- Exponential distribution
- Uniform distribution
- Weibull distribution
- Gamma distribution
- Beta distribution
- Laplace distribution
- Cauchy distribution
- Logistic distribution
- von Mises distribution
- Pareto distribution
- Poisson distribution
- Binomial distribution
- Negative binomial distribution
- Geometric distribution
- Hypergeometric distribution
- Studentized range distribution

### Special Function

- Gamma function
- Beta function
- Zeta function
- Bessel function
- Spherical bessel function
- Airy function
- Kelvin function
- Struve function
- Error function
- Legendre function
- Bernoulli number
- Stirling number
- Fibonacci sequence
- Double factorial
- Pochhammer function
- Brillouin function
- Activation function
- Exponential integral
- Fresnel integral
- Elliptic integral
- Elliptic function
- Orthogonal polynomial
- Hypergeometric function

## FAQ

## Ranking

## What's New

**Jan 24, 2019**

The new calculators are now available.

Euler's method(2nd-derivative)

**Jan 22, 2019**

The new calculators are now available.

Runge-Kutta method (2nd-order,2nd-derivative)

Runge-Kutta method (4th-order,2nd-derivative)

**Jan 21, 2019**

The new calculator is now available.

Fuel Consumption Conversion

**Jan 11, 2019**

The new calculator is now available.

Projection (duration, height and distance) (chart)

**Dec 14, 2018**

The new calculator is now available.

Remainder Calculator

**Dec 13, 2018**

The new calculator is now available.

Density Conversion

**Nov 5, 2018**

The new calculators are now available.

tanh(x) function

Derivative tanh(x) function

Second Derivative tanh(x) function

tanh(x) function (chart)

**Sep 28, 2018**

The new calculator is now available.

Volume of an elliptic cylinder

**Sep 20, 2018**

The new calculators are now available.

Volume of an elliptic cone

Volume of an elliptic truncated cone

**Sep 12, 2018**

We have updated our privacy notice.**Sep 7, 2018**

The new calculators are now available.

New coordinates by 3D rotation of points

ReLU

ReLU (chart)**Aug 31, 2018**

The new calculator is now available.

How many days until ~ ?

**Aug 27, 2018**

The new calculator is now available.

Google maps area

**Jul 27, 2018**

The new calculators are now available.

Leap year checker

Leap year generator**Jul 19, 2018**

The new functions are now available on the Advanced Cal.

random_f()

random_f(a,b)

random_i(a,b)

**Jul 17, 2018**

The new calculators are now available.

Pareto distribution

Pareto distribution (chart)

Pareto distribution (percentile)

Generalized Pareto distribution

Generalized Pareto distribution (chart)

Generalized Pareto distribution (percentile)

**May 30, 2018**

The new calculators are now available.

Convert Date & Time to Unix timestamp

Convert Unix timestamp to Date & Time

**Apr 13, 2018**

The new calculators are now available.

Softsign function

Softplus function

Derivative Softsign function

Derivative Softplus function

Softsign function (chart)

Softplus function (chart)

**Mar 19, 2018**

The number of digits on the Advanced Cal can be specified up to 102 digits on a trial basis.

**Feb 13, 2018**

The new calculators are now available.

Studentized range distribution

Studentized range distribution (percentile)

**Feb 8, 2018**

We have made it easy to use formula editors.

**Jan 25, 2018**

The new calculator is now available.

Softmax function

**Jan 19, 2018**

New functions, "Summation" and "Production" (Sigma and Pi Symbol) are now available on the

Advanced Cal.

**Jan 12, 2018**

The new calculators are now available.

Sigmoid function

Derivative Sigmoid function

Second Derivative Sigmoid function

Sigmoid function (chart)

Hadamard product

**Dec 26, 2017**

The new calculator is now available.

Area of an arch given height and chord

**Dec 20, 2017**

The new calculators are now available.

Circular Permutation

Circular Permutation (table)

Necklace Permutation

Necklace Permutation (table)

**Nov 15, 2017**

The new calculators are now available.

Brillouin function

Langevin function

Brillouin function (chart)

Langevin function (chart)

**Oct 11, 2017**

The new calculators are now available.

Eigenvalues and Eigenvectors

LU Decomposition

Singular Value Decomposition

**Sep 15, 2017**

A new category

"Linear Algebra" has been added under the "Professional" menu.

**Sep 1, 2017**

A new category

"Numerical Integration" has been added under the "Professional" menu.

**Aug 22, 2017**

The new calculators are now available.

Bivariate normal distribution

T-function and V-function

**Jul 27, 2017**

The new calculators are now available.

Roll virtual dice

Sale Price

**Jul 24, 2017**

The new calculators are now available.

Swimming Calorie

Sports Calorie

**Jul 21, 2017**

The new calculator is now available.

Sales Tax (VAT, GST) Calculator

**Jul 14, 2017**

The new calculator is now available.

How Old Am I? ( Age Calculator )

**Jun 8, 2017**

The new calculator is now available.

New coordinates by rotation of points.

**Jan 6, 2017**

The new calculator is now available.

Volume of a truncated circular cone not a frustum

**Dec 28, 2016**

The new calculator is now available.

Test case density and Defect density

**Dec 7, 2016**

The new calculators are now available.

Inverse Jacobi elliptic arcsn(x,k)

Inverse Jacobi elliptic arccn(x,k)

Inverse Jacobi elliptic arcdn(x,k)

**Nov 1, 2016**

The new calculators are now available.

Area of a hyperbolic arch

Area of a hyperbolic sector

**Sep 26, 2016**

The new calculator is now available.

Volume of a partial circular cone

**Jul 19, 2016**

The new calculator is now available.

Federal Holidays

**Feb 17, 2016**

The new calculators are now available.

von Mises distribution

von Mises distribution (chart)

von Mises distribution (percentile)

**Jan 20, 2016**

The new calculators are now available.

Sunshine hours (location)

Sunshine hours (major cities)

**Dec 8, 2015**

The new calculator is now available.

Logical operations

**Dec 7, 2015**

The new calculators are now available.

Dirichlet Eta function

Dirichlet Eta function (chart)

**Aug 28, 2015**

The new calculators are now available.

Area of an arch given angle

Area of an arch given height

Volume of a partial right cylinder

**Jun 8, 2015**

The new calculator is now available.

AGM

**Dec 22, 2014**

The new calculator is now available.

Impedance of RC and RL in parallel

**Jul 22, 2014**

The new calculators are now available.

Linear regression

Logarithmic regression

Inverse regression

ab-Exponential regression

e-Exponential regression

Regression estimate (integrated)

Regression analysis (integrated)

Quadratic regression

Power regression