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
- Lévy 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
- Feb 10, 2020
The new calculators are now available.
Random Integers
Normal distribution random number
Logarithmic normal distribution random number
Gamma distribution random number
Chi-square distribution random number
Student's t-distribution random number
Day of Week (Every year)
- Jan 23, 2020
The new calculators are now available.
Tennis Calorie
Cross country skiing Calorie
- Jan 21, 2020
The new calculators are now available.
Basketball Calorie
Climbing Calorie
- Jan 7, 2020
The new calculator is now available.
Matrix power
- Oct 8, 2019
The new calculators are now available.
Lévy distribution
Lévy distribution (chart)
Lévy distribution (percentile)
- Sep 30, 2019
We have updated our privacy notice. - Sep 4, 2019
The new calculators are now available.
Total Daily Energy Expenditure (TDEE)
- Jul 17, 2019
The new calculators are now available.
Volume of a equilateral triangular prism
Height of a equilateral triangular prism
Volume of a regular hexagonal prism
Height of a regular hexagonal prism
- Jul 1, 2019
Up to 130 digits can be specified in Advanced Cal. - Jun 7, 2019
The new calculator is now available.
Linear inequality
- Jun 4, 2019
The new calculator is now available.
Cyclic Date
- May 30, 2019
The new calculator is now available.
Data Transfer Rate Conversion
- Apr 19, 2019
The new calculator is now available.
Volumetric Flow Rate Conversion
- Apr 16, 2019
The new calculators are now available.
Ratio Conversion
Metric prefix Conversion
- Apr 8, 2019
The new calculator is now available.
Japanese Holidays
- Jan 24, 2019
The new calculator is 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
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