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- Linear Diophantine equations
This calculator solves linear diophantine equations.

- Mathematical competition tasks
Calculator solving some mathematical competition task

- Modular inverse of a matrix
This calculator finds modular inverse of a matrix using adjugate matrix and modular multiplicative inverse

- Polynomial division
This calculator divides one polynomial by another polynomial.

- Polynomial Greatest Common Divisor
The calculator gives the greatest common divisor (GCD) of two input polynomials.

- Polynomial multiplication
This calculator multiplies two univariate polynomials.

- Polynomial root isolation
The calculators isolates real roots of the input univariate polynomial using Sturm and VAS-CF methods.

- Polynomial roots
The calculator solves polynomial roots of any degree. For small degree polynomials analytic methods are applied, for 5-degree or higher the polynomial roots are estimated by numerical method.

- Polynomial Taylor Shift
The calculator evaluates Taylor shift of the given polynomial using Shaw and Traub algorithm.

- Probability of given number success events in several Bernoulli trials
Gives probability of k success outcomes in n Bernoulli trials with given success event probability.

- Quartic equation solution
This calculator produces quartic equation solution using resolvent cubic.

- Secant method
The secant method is a root-finding algorithm that uses a succession of roots of secant lines to better approximate a root of a function f.

- Side of regular polygon from polygon area
Calculates the side length of regular polygon given the area of the regular polygon and number of sides

- Squarefree polynomial factorization
The calculator extracts square factors from the input polynomial.

- Student t-distribution
Calculates cumulative distribution function value and probability density function value for Student t-distribution. Quantile calculator evaluates Student quantiles for given probability and specified number of degrees of freedom.

- Synthetic division
A simple method of polynomial division.

- Tank volume
Calculator computes tank volume given its length, diameter and walls depth. Created by user's request.

- Two argument arc tangent
The calculator gives an angle between positive axis x and the ray to the given point from point 0. The result corresponds to atan2 function, implemented in many computer languages and math libraries.

- Vector Addition Calculator
This online calculator performs vector addition and displays vectors and vector sum graphically.

- Volume of liquid in a tilted tank with hemispherical heads
Calculates volume of liquid in an inclined cylindrical tank with hemispherical ends.